Is LCHF Keto the right diet for you in the new year?

With New Year’s resolutions looming, many people are thinking about reinvigorating their health. In fact, 45% of people want to lose weight or get in shape as their New Year’s resolution.

The LCHF Keto diet has been quickly gaining momentum, and it is piquing a great deal of curiosity.

So, is this particular diet right for you? It may just be.

 

What are your diet goals?

Before selecting a diet, it’s important for you to define why you want to diet in the first place. Are your goals weight loss, general health, or a combination?

If you want to lose weight, reduce your hunger, enjoy your meals, and improve your metabolic health, then LCHF may be right for you.

 

Do you want to lose weight?

The primary reason most people go on a diet is to lose weight. As far as weight loss, low carb has you covered. Out of 60 studies comparing low carb to low fat diets, low carb had better weight loss in 30 and they were equal in 30. Low carb was inferior in exactly zero of these studies. That’s an impressive record, and definitely something to consider if weight loss is your primary goal.

But there is so much more to life and health than weight loss.

 

Do you want to reduce your hunger?

One main struggle in health and weight loss is how hungry we are and how much we need to think about food during the day. Studies show that following a LCHF diet reduces our hunger in the long-term. That means less worry about constant snacks, and less concern with needing to eat every few hours. In fact, LCHF works so well at curbing appetite that more people can practice time-restricted eating by compressing eating into a 6-8 hour window, which has indicated potential beneficial effects for longevity.

 

Do you want to improve your focus?

Food, especially the wrong food, can make us feel lethargic and unfocused. Many people report thinking more clearly and having better mental performance when on a low carb diet. The brain loves ketones, whereas carbs can cloud your thinking. Why not switch to low carb and see if your brain fog lifts?

 

Do you want to improve metabolic health?

A recent study showed that only 12% of Americans are metabolically healthy. Low carb diets are one of the fastest and best ways to improve metabolic health. Studies show it puts type 2 diabetes in remission, improves insulin resistance, reduces visceral fat, and improves overall metabolic health.

 

Do you want to decrease your cardiovascular risk?

Fat phobia is gone. Limiting carbs to real food veggies and eating plenty of healthy fats improves our cardiovascular risk profile. It reduces BP, reduces TG, increases HDL and improves the size and density of LDL, which all add up to a net improvement in cardiovascular health.

 

The main reason you should consider LCHF/Keto in the new year

You will love it!

No counting calories, no feeling hungry, no wild glucose swings and post meal crashes, no afternoon slump. With all of this research backing this diet, it’s definitely worth a try.

 

One last consideration

A note of caution, most people will do great. But not everyone reacts to this diet the same way, so you may want to consult a doctor experienced in low carb nutrition.

If you don’t already have a doctor to consult with or want to speak with one who specializes in Keto, I’m a professional who has extensive experience with LCHF diets and how they affect your health. If you’re just getting started, I recommend downloading my free LCHF/Keto starter tips e-book to get you on the right track:

 

 

 

If we can be of any additional service, please let us know!

Thanks for reading,

Bret Scher, MD FACC

Eating red meat increases TMAO levels. Should we care?

A new study published in the European Heart Journal says we should care about blood levels of a metabolite trimethylamine N-oxide (TMAO), but is that true?

NBC News: Study explains how red meat raises heart disease risk

For starters, this was a well run and controlled study. Researchers randomly assigned 133 subjects to one of three isocaloric diets with the only difference being the presence of red meat, white meat, or vegetarian protein. Similar to the study by Dr. Ludwig that we referenced earlier, a strength of this study was that the study team supplied all meals for the subjects. Therefore, there was no guessing about what the subjects ate or if they complied with the recommendations. That makes this a strong nutritional study.

Subjects stayed on each diet for four weeks and then had a washout period before transitioning to the next diet. The main take home is that eating red meat increases the blood level of TMAO, which declines after four weeks off the red meat diet. As described in the article:

a red meat diet raises systemic TMAO levels by three different mechanisms: (i) enhanced nutrient density of dietary TMA precursors; (ii) increased microbial TMA/TMAO production from carnitine, but not choline; and (iii) reduced renal TMAO excretion. Interestingly, discontinuation of dietary red meat reduced plasma TMAO within 4 weeks.

It is important to note in our era of frequent conflicts of interest, NBC news reported that the lead investigator for the study is “working on a drug that would lower TMAO levels.” While that in no way invalidates the findings, it does legitimately raise suspicion for their importance.

Interestingly, the study did not test eggs, another food reportedly linked to TMAO. They did, however, note that increased choline intake, the proposed “culprit” in eggs, had no impact on TMAO levels.

The study also did not investigate fish. Fish, traditionally promoted as “heart healthy,” has substantially higher concentrations of TMAO than meat or eggs. One thought, therefore, is that high TMAO levels are produced by gut bacteria rather than the food itself. Although this is an unproven hypothesis, it would also explain variability among subjects.

Now for the harder question. Does any of this data matter? For this study to be noteworthy, we have to accept the assumption that TMAO is a reliable and causative marker of heart disease.

The main NEJM study linking TMAO to an increased risk of cardiovascular disease is not as conclusive as many promote. First of all, only those at the upper quartile of TMAO level had a significant increase in cardiovascular disease risk. Lower elevations had no significant correlation.

Second, those with increased TMAO and cardiovascular disease risk also were more likely to have diabetes, hypertension and a prior heart attack; furthermore, they were older, and their inflammation markers, including myeloperoxidase, a measurement of LDL inflammation, were significantly higher. With so many confounding variables, it is impossible to say the TMAO had anything to do with the increased cardiovascular disease risk.

This study in JACC that saw a correlation with TMAO and complexity of coronary lesions, also found an increased incidence of diabetes, hypertension, older age in the high TMAO group.

Finally, this study found no association at all between TMAO levels and increased risk of cardiovascular disease.

Based on these mixed findings, the jury is still out, and we have plenty of reason to question the importance of elevated TMAO as an independent risk marker or causative factor of coronary disease.

Most importantly, however, since multiple studies continue to show no significant association between meat and egg consumption and increased heart attacks or mortality risk (references herehereherehere and here) the weak surrogate markers don’t seem likely to matter much. Don’t get caught in the minutiae. Focus on a real-food diet that helps you feel better and improves the vast majority of your markers. And if you have elevated TMAO, the studies suggest you should also check your blood pressure, blood sugars, and inflammatory markers as they may also be elevated. In my opinion, until we have much more convincing data on TMAO, you are far better off targeting those more basic parameters than a blood test of questionable value.

Thanks for reading,
Bret Scher, MD FACC

 

Originally Posted on the Diet Doctor Blog 

Low Carb and Intermittent Fasting Make Traveling a Breeze!

It's challenging enough to stick to your health, fitness, and dieting goals when you're at home. When you're traveling, it can be even harder. Nothing's worse than going on vacation only to be frustrated that you've gained back weight you worked so hard to lose.

Let's be honest. When you travel, it's harder to pay attention to what you're eating, when you're eating and how much you're eating. If you prepre ahead of time, however, you can make this much easier. Focusing on intermittent fasting, limiting your carbs, and keeping up some version of your exercise routine can put you on a path to success. 

How Travel Disrupts Your Diet

We seem to be traveling more than ever. The U.S. Travel Association reports that spending on travel in the U.S. alone averages $2.8 billion per day. Per day! That's a lot of opportunity to fall off the wagon. 

  • You're likely to be less physically active. While it may seem you're covering lots of ground rushing to the airport and flying (or driving) hundreds of miles, you're also spending most of that time sitting down. It's also common for travelers to abandon their usual workout routines.
  • There are snacks and junk food everywhere. It's tempting to grab snacks at the airport or to worry that you may not have a chance to eat for a while, so yo ugrab whatever is available. Most of these choices are high carb, high sugar distractions. 
  • Your internal clock is disrupted. If you're traveling through time zones, your circadian rhythm is a mess and youo will find yourself craving more, with diminished self control. 

But it's not hopeless! Here are some recommendations for counteracting these issues and staying healthy when you travel.

Limit Carbs When Traveling

We can debate all we want the merits of low fat vs low carb diets. Especially when the carbs are high quality, real food carbs. However, when you travel, lower quality carbs are often the biggest temptation. Simple carbs like sweets, foods made with white flour, and many packaged and processed foods are everywhere. 

  • Bring healthy snacks with you. Instead of relying on food counters at the airport or filling up on junk food at rest stops on the highway, take the time to prepare some healthy meals. Prepare snacks that include superfoods such as almonds and other mixed nuts, salads with broccoli, kale hemp seeds and chia seeds, and perhaps some dark chocolate for a treat.
  • Do your own shopping and cooking. Just because you're on vacation doesn't mean you have to eat out every meal! Don't derpive yourself of trying some new restaurants, but remember you can still do some of your own cooking. Look for a hotel or Airbnb that lets you do at least a little cooking and that has a fridge. This gives you more control over your diet.  
  • Research eating options ahead of time. Before you leave on your trip, identify hotels, restaurants, and eateries that offer healthy and low-carb options. Don't forget to find out when and where local farmer's markets are held. I find that is a fantastic way to check out the local scene and partake in healthy local food choices. 
  • Drink water. Staying hydrated can help combat hunger, and it will keep you away from sodas, juices and other sugary distractions.

Happy friends drinking cocktails and eating watermelon fruit in boat party - Young people having fun in summer vacation - Youth lifestyle and rich tour holiday concept - Main focus on right girl face

Incorporate Fasting Into Your Trip 

There are many health benefits to intermittent fasting. It can help you to lose weight and lower insulin, and there's even evidence that it contributes to longevity. But when it comes to travelling, the best part of IF is the convenience!  If you're fasting, you don't have to worry about finding a healthy meal at the airport or on the plane.  Stick with water and you are good to go!

If you are fasting, do it in a responsible and healthy way. If you're on any kind of medication, consult with a health professional before fasting. If you've never fasted, start slowly. Most people can do an 18:6 fast without too much discomfort. This means fasting for 18 hours and then eating for the next 6 hours. When you get comfortable with this, you can increase the duration of your fasts to 24, 48, or even 72 hours. If you want to try fasting on your next trip, it's a good idea to try some short fasts before you begin your journey. 

Other Tips to Stay Healthy on the Road

  • Exercise regularly. Try to stay somewhere with a gym. Or a neighborhood that has a gym you can use. Even without this, you can schedule in a walk, jog or bike ride. If you're visiting tourist attractions, think of a walk or bike tour rather than a bus tour. Look into places where you can explore nature and get fresh air.
  • Get enough rest. Travel can also disrupt your sleep patterns. Lack of sleep is associated with anxiety, depression, hypertension, and many other health problems. If you're going to be traveling through time zones, start adjusting to the new time before you leave for your trip. When on your trip, be careful not to burn the candle at both ends. If you're getting up early for a long day of sightseeing (or business meetings), go to bed at a reasonable time. 
  • Limit your intake of alcohol. It seems that alcoholic beverages are everywhere when you travel. Whether you're ordering a cocktail to help you relax on a long flight, downing tropical drinks on the beach, or sampling local craft breweries or wineries, the temptations are everywhere. Alcohol is high in calories and sugar. It can also disrupt your sleep patterns. If you do drink, limit it to one or two per day. 
  • Don't stress out. Stress is never healthy and travel, even the kind that's supposed to be relaxing, can contribute to it. Avoid trying to fit in too many activities on your trip. Rushing around tends to make you reach for junk foods for quick comfort or energy. When planning your schedule, leave time for spontaneous exploration or just lounging around. 

Watching your diet when traveling is important, especially if you frequently find yourself on the road. It's easy to slip into bad habits when traveling which means you have to start all over when you return home. It's better if you can stay consistent even when you're away from home. Limiting your carbs, fasting, and maintaining regular exercise and sleep routines all help you maintain optimum health when you travel. 

 

More False Claims About Keto- Bias and Lack of Evidence Beware!

There is a lot of “Fake Science” out there. It’s clear that we live in an age of misinformation and sensationalized headlines, and it’s often difficult to discern what contains real evidence, and what is lacking. This week, I’m motivated by a particular article by a “reputable” source. Aside from pointing out the specifics of this particular article, I want the larger lesson to be to understand how to read between the lines of an article and search for evidence, regardless of how credible a source may seem.

 

Who’s the Culprit?

 

Harvard Health strikes again with ignorance and false claims. I try not to respond negatively too often, but I couldn’t let this one go.

 

Does talking about an awful publication give it more attention than it deserves? Or is it more important to point out the fallacies for all to see? I don’t know that there is a “right” answer to that question, but in this case the critic and vocal dissenter won out. We can’t let flat out wrong claims perpetuate and become “truth” as happens too often in medicine.

 

Bias in Language

 

  • It starts right off the bat by the language use in this article. “The keto diet aims to force your body into using a different fuel.” Force your body? That assumes your body doesn’t want to burn fat, so we have to force it against its will to do so. That is certainly a “carb centric” view point!

 

Why not say “allow your body to use a different fuel.” The clear assumption/bias is that we are meant to be carbohydrate eating, glucose burning machines. But is that true? Is that how we were meant to be? Snackwells, Nabisco and Tony the Tiger sure think so, but I think evolutionary biology may differ.

 

  • “It requires that you deprive yourself of carbohydrates.” Deprive? There is certainly no deprivation on a wonderful array of veggies like cabbage, Brussels sprouts, cauliflower, broccoli, peppers, green beans, and so on. I also don’t think anyone would complain about the health risks of depriving ourselves of white bread, bagels, candy, cookies, cakes etc. Would Harvard also talk about how vegans deprive themselves the nutrient density found in eggs, fish and meat? I think not.

 

 

Lacking Evidence

 

Next comes the section on “Keto Risks.”

 

 

  • Saturated fat is the obvious one, and I have written enough about that one to not address it in this post. You can read more here, here, and here. The article also seemingly adds a source with what sounds like evidence, but provides no link to the study.

 

  • Liver problems. How could they reference “liver problems” with no references or specifics and fail to mention that LCHF is one of the best nutritional interventions to treat fatty liver, the fastest growing cause of liver disease in the country. And what does “liver problems” even mean? It seems clear that there is a clear lack of understanding here.

  • Kidney problems. The only concern of too much protein is in individuals with complete kidney failure. In healthy individuals, high protein consumption can increase the renal filtration rate, but there is no evidence to show resulting kidney damage. And where did they get the current recommendations for protein intake? 46 grams per day for women and 56 for men? Even using the lower estimates of 0.5 grams per pound would make this 90 grams per day for the average 180-pound man. And this is a minimum recommendation.

 

  • Fuzzy thinking and mood swings- This one is my favorite. Actually, LCHF keto diets are phenomenal at treating “fuzzy thinking and mood swings.” The article claims, “the brain needs sugar from healthy carbohydrates to function.” That could not be further from the truth. No matter how low our carbohydrate intake, glucose levels never drop to zero. I hope they have heard the term gluconeogenesis at Harvard because it is something our bodies have been doing for a few years. Well, maybe a few thousand years but let’s not be too picky. Yes, our brains require glucose. By no means do we need to eat that glucose.

 

  • Last, they get one more jab in to say how “restrictive” the diet is.

Eating all the meat and veggies you want is restrictive? I like how they don’t refer to vegetarian or vegan diets as restrictive. Bias is very hard to overcome.

 

Also, you have to love the part about the weight returning when you resume a “normal” diet. Let me get this right. We shouldn’t change from a standard American diet to a low carb diet because the weight will come back if we go back to a SAD diet? So, we shouldn’t even try? Great rationale. How’s that working for our country?

 

The Danger of These Biased Articles

 

Now let’s look at the bigger picture. An institution with a reputable name publishes this paper.  This paper has no scientific references, it is clearly biased, and has many statements that are blatantly false.

 

How are most people going to respond? I am afraid most people will accept it at face value. I mean, it’s Harvard for Pete’s sake!

 

My guess is most of my readers (you!) will say, “No way. People won’t fall for this garbage.”  And for that I am thankful. But the problem is that my readers (you!) tend to be more astute and more interested in these topics and by habit critically analyze what they read. My fear is that does not translate to the rest of the population.

 

That is why the publishers at Harvard Health should be ashamed of themselves to allow their name on such an obviously biased and tainted article. Whether you believe in a low carb diet or not should have nothing to do with recognizing the falsehoods in their article.

 

In the end, I hope this will serve as a cautionary tale to remind us that everyone has a bias. Some hide it better than others. Some can be more objective than others. And as Harvard has proven, notoriety has nothing to do with it.

 

Let’s strive to be better.

 

 Thanks for reading,

Bret Scher MD FACC

A Guide to Keto-Friendly Meal Prep

 

Let's be honest. Changing our eating habits is hard. No matter how inspired and gung-ho we may feel when we first decide to go keto, inevitably, we will face temptations and frustrations. Whether you're brand new to the low carb or ketogenic diet or you've been following it for ages, adopting a meal prep habit can help traslate that initial enthusiasm into success. It can even save time and money along the way!

What is Meal Prep?

Meal prep is the practice of preparing a number of meals in advance, typically all at once on one day per week. I enjoy doing this on Sunday and trying to involve my kids as well! You can be flexible with this to fit your schedule. For instance, you can prepare and freeze an entire week of food, or make only certain meals or plan for only a few days at a time. 

Why Meal Prep?

It saves you time.

The more you prepare in advance, the less time you spend running to the grocery store, and my personal favorite, less day to day clean up! While yes, you prepare about the same amount of food, efficient meal prep typically relies on multitasking to significantly speed up the process.

It cuts your food bill, sometimes drastically.

Meal prep can save you a lot of money on food. How? Consider that the average U.S. consumer will dish out $5,400 on impulse purchases each year. Having a grocery list and sticking to it can dramatically decrease the likelihood that you will give into these types of impulse purchases. (anyone can make a list, but can you stick to the list? Seinfield reference anyone???) Also, preparing a week's worth of food at once makes it easier to buy in bulk, which is often more cost-effective. You'll also find it a lot easier to form your shopping list around sales when you're forced to plan in advance.

It helps you avoid impulse decisions about food.

When you're busy, it's very easy to give into carb-laden fast food temptations. When you're drained after a long day of work, you may think, Whi has time of energy to make dinner? That can lead to less healthy take out choices. Meal prepping helps you avoid this kind of impulsive decision because you'll always have a healthy meal ready for you at home. Just walk in the door, heat it up and viola, dinner is served.

It can facilitate your keto diet.

Since staying in ketosis depends on a certain percentage of macros each day, a meal plan can be invaluable. By planning your meals in advance, you can be certain that you won't get to the end of the day and realize you've gone way over your carb allotment. Meal prep makes it even easier to stick to your meal plan because you can reuse the same base components in multiple meals, making the macro calculations much easier. You're also less likely to deviate from a meal plan when the food is already in your fridge, ready to eat.

 

How to Start Meal Prepping

Getting Started

As with any lifestyle change, when you first start out with meal prep, it's important that you start slowly so that you don't overwhelm yourself. You don't need to prepare an elaborate menu with a different entreé each night. Instead, try the following steps to get acclimated to the habit.

  1. Start by picking two keto-friendly protein options that use different cooking methods. For instance, if one requires the oven, pick something that you can prepare stovetop for the other recipe. You may also pick a side dish or two if you'd like.
  2. Buy enough ingredients to make at least 3 servings of each recipe. You might also consider buying some extra meat and vegetables that you can prepare early and use throughout the week for lunches (think salads and lettuce wraps).
  3. Set aside enough containers to hold your meals for the week. You'll likely want to pre-portion the meals to keep your macros consistent, so you'll need one container per individual meal (Tip: glass is much better than plastic).
  4. On your chosen meal prep day, Sunday in my house, prepare your recipes. Be sure to prep your ingredients all at once and find ways to complete multiple tasks simultaneously. While your chicken is in the oven, for instance, you can be steaming or stir-frying some veggies.
  5. Cook any extra meat and vegetables as well, if you chose to purchase some. A slow cooker can be extremely useful here to free up your other kitchen appliances for your main recipes.
  6. Once you've finished cooking, portion out the meals into their containers. Consider freezing half of the meals to prevent any issues with spoilage. Put the extras into larger containers to portion out as snacks or side dishes.

Refining Your Routine

Throughout the first week, pay attention to the following questions:

  • Did I prepare the right amount of food? If you don't eat all the meals, consider cutting back. If you run out early or don't feel like you've saved yourself any time, consider preparing extra next time.
  • Am I bored with these meal options? If so, next time try preparing slightly different variations on the same recipe or add another entreé entirely.
  • Did meal prepping benefit me this week? Think in any terms you want: time, money, healthy decisions, etc.

It will take some trial and error to determine how often to meal prep and how much to prepare each time. Experiment with different schedules and menus until you are completely satisfied with the answers to these questions.

Keto-Specific Meal Prep Tips

Making meal prep work for any diet is all about planning, and keto is no different. The key is to prepare foods that will help you comply with the diet.

Add variety.

One of the main objections to meal prepping is that people don't want to eat the same meal over and over throughout the week. People who aren't following keto will often use a different carb with each meal to change things up. This isn't possible when following keto, unless you use alternatives such as spiralized or riced vegetables. If variety is important to you, consider one of the following ideas that take less time than adding a whole extra recipe to your prep day.

  • Prepare the same marinade, sauce, or seasoning, but use it on different proteins.
  • Stir-fry different combinations of vegetables with the same sauce or spices.
  • Portion your protein, vegetables, or both into sections and season each differently before baking or frying.

Don't skimp on snacks.

Pre-portioning keto-friendly snacks during your meal prep time can help ensure that you always have healthy options to keep you from dipping into the office candy jar, or in my case, snacking on the muffins and doughnuts in the doctor's lounge (I know that's absurd, but that is what they serve in the hospital!).

Label your food containers.

You should always label your food containers with the dish and date it was prepared. It's also helpful if you're following keto to mark the net carbs and other relevant macros in case you end up mixing and matching your recipes you can still stay on point.

With these tips, you should be well on your way to an efficient and effective meal prep routine. Once you see how much easier it is to follow the ketogenic diet with meal prep, you'll never go back.

 

How To Eat Low Carb On A Budget

low carb gro

"I'd love to eat low-carb but I don't think I can afford it!" Have you thought this before? I know I have heard it before.

The benefits of a low carb diet are clear, but many people are put off because they think that a low carb diet has to be expensive. The truth is, eating low carb doesn't have to break the bank. You don't need to buy expensive foods or ingredients! In fact, you can eat delicious, healthy, and inexpensive meals every day. Read on to learn more about how to eat low carb without blowing your budget. 

Plan For Success

The most important part of eating low carb on a budget is the planning. Having a clear plan every week saves tons of time and effort. Start by browsing the weekly sale ad from your local grocery store to see what's on sale. From there, you can sketch out a meal plan for the week, based around those nutritious and tasty ingredients. You should be able to easily plan how much it will be for daily breakfast, lunch and dinner (or if you practice intermittent fasting, that's even easier!). Always plan to have a few extra snacks on hand, as this can help stop you from splurging on expensive, last minute treats.

If you have more than one local grocery store, compare prices. It may be worth the extra few miles of driving if you can save some serious money on food. If one store has free-range eggs on sale and the other has a sale on chicken, don't hesitate to stop for both.

One of the most helpful things you can do is put a few hours aside each week (maybe on the weekend) to map out your plan. During this time you can:

  • Plan out your grocery shopping.  After looking at your local store's weekly ad, write out a detailed list of everything you need to buy. Armed with a list, you'll be less likely to splurge once you get to the store.

  • Map out your meals for the week. Know what you'll be having for dinner each night of the week. Plan quick and easy meals for your busiest nights, and be sure that you know what you'll be packing for lunch during the weekdays. 

  • Prep foods you know you'll be using. You can pre-chop veggies, cook meat, and make soups or stews ahead of time. Keep pre-portioned meals in the fridge, so when you're hungry you already have a delicious low-carb meal on hand. Portion out snacks like nuts into containers or bags so you know you won't overindulge, and you'll always have something to grab when hunger strikes. When all your food is ready and on hand, you won't have any excuse to grab expensive takeout. 

Strategize Your Shopping

When you head to the grocery store, make sure you optimize your time and money. There are a few tricks to keep in mind to really stretch your grocery budget. First, make sure you head to the store with a list and don't stray from it. If you see something that you use a lot of on sale for a good deal, stock up and freeze it for later use. 

On a low-carb diet, you most likely don't even need to venture into the aisles of the store – you can just stick to the perimeter. That's where the most healthy, least processed foods are waiting. Fruits, veggies, meat, cheese, eggs and other staples are easily accessible, and you won't be tempting yourself with expensive, processed foods. 

Protein is Key

On a low-carb diet, your protein sources can be one of the more expensive items at the grocery store, but if you strategize your meat buying, you'll find that buying meat won't necessarily force you to go over budget. 

Often, it's cheaper to buy a whole chicken and portion it out yourself, instead of buying just chicken breasts, thighs, or legs. If you portion out a chicken by hand, you can also save the bones to make nourishing bone broth later. 

Also, try cuts of meat that you haven't necessarily considered before. For example, organ meat is much cheaper (and denser in nutrients) than muscle meat, but so many people are afraid to try it. Liver, onions, and bacon is a fantastic, healthy, and surprisingly tasty meal, and buying cow liver is much cheaper than buying steak.

Produce Power

healthy produce low carb gro

Fresh produce is an important staple in any healthy diet, and while some vegetables and fruits are high in carbs, sticking to lower carb avove the ground veggies will deliver nutrients that can help your body thrive. Look for seasonal veggies instead of buying expensive ones when they're out of season, and don't be afraid to go for frozen vegetables as well. They're just as healthy as their fresh counterpart, and you can be sure that you'll always have healthy veggies on hand in the freezer.

Also, keep in mind that convenience comes at a cost. Many stores have pre-cut veggies available, which makes dishes like stir-fry quick and easy, however, you pay for the prep work. If you set aside prep time every week, you won't need to spend the extra money on pre-shredded cabbage or pre-chopped broccoli.

Buying Smart

Sticking to a budget can be hard, but always buy the best quality that you can afford. Sure, free range chicken, grass fed beef, wild fish and organic produce is higher quality, but it can also be much more expensive, depending on where you shop. But you can always be sure that eating healthy, fresh food, even if it isn't organic, is much better for your body than pizza, soda, fast food, or other processed junk. So don't feel bad about buying the store brand canned salmon instead of the fresh fillets. Splurge on the good stuff when you can, and make the best possible choices when your budget is tight.

Another important thing to remember is to keep it as simple as you can. You don't need fancy cheese or expensive nuts to satisfy you. Grocery stores will upcharge trendy foods like kale because they know it will sell. Turnip greens, spinach, swiss chard, or collard greens are just as healthy, but can usually be found for much cheaper. A simple salad packed with superfoods makes a great meal and can be put together with affordable ingredients. Get familiar with all the different produce options, and how to cook them to make healthy and delicious side dishes. Be adventurous! 

Cooking healthy, delicious low carb meals for yourself and your family can be rewarding, and you'll add an impressive set of recipes to your repertoire. Herbs and spices don't add carbs to your meals and they can bring simple dishes to a whole new level. Buy herbs and spices in bulk, and they'll last you for months.

Final Thoughts

Maybe you've tried a low carb diet in the past without much success, or you got discouraged about how much you were spending. But the truth is, low carb is a healthy choice, and healthy choices are for everyone, not just the wealthy. If you spend some time planning out your meals weekly and get to know all the secrets of your grocery store, you'll find that eating low carb is easier and cheaper than you ever expected. It just takes a bit of strategy, and some creativity to kickstart your low carb lifestyle. 

 

Does Weight Loss Depend on Calories or Hormones?

 

Why do people have such a hard time losing weight? Anyone who has tried it before knows the challenges. It frequently goes one of two ways:

  1. Initial success followed by a stall and eventual regaining of the weight leading to frustration and giving up.
  2. Difficulty changing habits enough to see a meaningful difference. Life seems to get in the way to prevent success.

 

Let’s be honest. There are numerous ways to lose weight. You can hardly go on the internet without seeing an ad for a magic weight loss solution or the one food you need to finally burn that belly fat.

 

As long as we are being honest, let’s also acknowledge that those don’t work. Ever.

 

The seemingly elusive weight loss holy grail would look like this:

  • We can easily maintain for years if not decades- it’s enjoyable!
  • Helps us maintain a healthy weight- losing mostly fat while preserving muscle
  • Helps improve our overall health, longevity and health span

Low Carb vs Low Fat Diets

 

If you have read some of my prior posts, you know where I am going with this. I think a low carb high fat (LCHF) lifestyle is likely the closest thing we have to the holy grail.

 

This isn’t just my opinion. As presented by DietDoctor.com, there have been 60 studies comparing LCHF vs low-fat diets for weight loss. The running score board shows 30 wins for LCHF, 30 ties, and exactly zero wins for the low-fat diet.

 

I’m the first to admit nutritional science is messy and we have to be careful with interpreting the data. But when there have been 60 studies and a low-fat diet has not been more beneficial in a single one, that speaks volumes.

 

This leads us to the next question:

 

Why is an LCHF diet better for weight loss?

 

Some would counter: Does it matter why? If we know it works, people enjoy the lifestyle and feel good on it, and we have evidence that it improves diabetes, metabolic syndrome and cardiovascular risk factors, then what more do we need to know?

 

This is where the science gets murky regarding two theories for weight loss

 

1.    Calories in/Calories out.

This theory states that weight loss is a simple equation. Take in fewer calories than you expend and you will lose weight. If you burn 2000 calories in a given day, then it doesn’t matter if you take in 1500 calories of bread, pasta, soda, cake, cookies, or vegetables and steak. You will lose weight. Period.

 

2.    Carbohydrate-Insulin Model.

This theory states that the hormonal response to calories is more important than the absolute number of calories. Simply put, insulin resistance and hyperinsulinemia prevent us from losing weight. Insulin’s “job” is to shuttle glucose into cells and prevents us from breaking down our fat stores, thus impairing weight loss attempts.  By following a LCHF diet, we can lower insulin levels, improve insulin resistance, and allow our body to break down fat stores and lose weight in a healthy and sustainable way. Absolute calories matter little in this theory.

 

Studies Around LCHF Diets

 

A series of trials funded by NUSI recently caused waves of controversy regarding the mechanism of LCHF diets and the carbohydrate-insulin hypothesis.

 

The Ketogenic Diet Study

 

The first study published in 2016 investigated 17 overweight men and their response to two diets. For the first 4-weeks they ate a “high-carbohydrate baseline diet,” followed by 4-weeks of an isocaloric ketogenic diet. Each week they spent two days in a metabolic ward where investigators measured everything they consumed along with their resting energy expenditure.

 

In theory, if our insulin response is the primary driver of weight loss, then our resting energy expenditure should increase on a ketogenic diet as a reflection of breaking down our natural fat stores for use as fuel.

 

Here are the basic highlights of the study:

  • Subjects lost weight on both the control diet and the ketogenic diet
  • Fat loss continued but slowed after transitioning from baseline to ketogenic diets
  • Resting energy expenditure increased on the ketogenic diet by about 100kcal/day.

 

Now comes the interesting part. How do we interpret these results? Resting energy expenditure went up on the ketogenic diet, suggesting the carbohydrate-insulin model works, right?

 

Not so fast. The lead author of the study, Kevin Hall, concluded that his study disproves the CIM, claiming that the resting energy expenditure change wasn’t high enough. As part of their research protocol, they estimated the dietary change should have resulted in a difference of between 300 and 600kcal per day. So even though the trial “worked,” it fell short of expectations.

 

Kind of like if Amazon predicted a 20% revenue increase for the quarter. When their increase is only 15%, their stock price falls, even though their revenue still went up!

 

To be honest, this is where I tune out.  Switching to a ketogenic diet lowered insulin and increased resting energy expenditure. What’s wrong with that? That sounds like a good result to me.

 

The Healthy Low-Fat Diet Study

 

Which brings us to the second trial.  I wrote about this trial shortly after it was published, and will summarize it again here.

 

600 subjects were randomized to a “healthy low fat” or a “healthy low carb” diet (this was not a ketogenic diet as they ended up eating 130gram carbs per day). Both groups were advised to maximize veggies, minimize sugars and processed flour, minimize trans fats, and focus on nutrient dense whole food prepared mostly at home.

 

In the end, both groups lost the same amount of weight, and they saw no difference in genetics related to fat metabolism and insulin sensitivity. Does this also disprove the CIM and show restricting carbohydrates is of no value? Does it mean we can support drinking sodas and eating cookies as long as we keep our calories low?

 

This study compared a control diet is much healthier than what most Americans eat (remember, they still restricted sugars and flour and focused on home prepared nutrient dense meals), to a moderately low carb diet (not a very low carb ketogenic diet). In the end, it was not well formulated to answer the question of the CIM. But it does add to the ongoing score card of 30 wins for low carb, 30 ties, and zero wins for low fat.

 

Again, this is where I tune out of the debate.

 

I am a cardiologist. I care about what is going to help the client I am working with at that exact moment. These clients don’t live in metabolic wards where their meals are provided for them, and they don’t exist in study formats where they know they are under constant observation.

 

Dieting in the Real World

 

My clients live in the real world just like you. Thus, I care about what works in the real world.

 

In the real world, we cannot ignore human behavior and psychological responses to food. Robb Wolf’s book Wired to Eat is one of the best resources explaining the minefield we encounter on a daily basis, how carbohydrate rich foods stimulate our brain to crave more, how food companies purposely create foods we cannot resist, and how why we eat may be more important than what we eat.

 

In this environment, does your brain care if the carbohydrate-insulin model has scientific backing or not? No way. It just wants its reward centers triggered by the next chip/cookie/cracker.

 

Don’t get me wrong. How we interpret science is important.

 

As long as people feel calories in/calories out is the only answer, Coca Cola can keep promoting their sugar filled drinks and Nabisco can keep promoting their sugar filled snacks as part of a healthy diet, just so long as we exercise enough to burn the calories.

 

How has that worked for us so far? Just look at our obesity and diabetes epidemics to answer that question.

 

I strive to find a balance between the science and the practical question of what really works for most people.  Hunger, energy, mood, cravings and enjoyment are very powerful motivators. For that, I have found nothing more effective than an overall healthy lifestyle which incorporates a LCHF diet.

 

 

Thanks for reading

 

Bret Scher, MD FACC

www.LowCarbCardiologist.com

Is the Keto Diet Heart Healthy? 7 Reasons Why This Cardiologist Agrees

Is the Keto Diet Heart Healthy? 7 Reasons Why This Cardiologist Agrees

 

I am a board certified, card-carrying cardiologist, and I want my clients to eat more fat, more meat, more cheese, more eggs, more avocado, more, more, more.

 

For decades medical establishments have convinced us to eat low fat, higher carb diets. How has that worked for our health? Here’s a hint, we have record numbers of obesity, diabetes and dementia. Yet, as a cardiologist, that’s the party line I am supposed to support.

 

But I can’t. It’s just wrong, and I can’t support that line of thinking, not for a second.

 

Instead, I am a Low Carb Cardiologist. Here are the top Seven reasons why

 

 

              1-  Reducing Insulin is Essential to Health and Weight Loss.

 

Insulin is a hormone naturally secreted by the pancreas to help regulate blood sugar levels. Everything we eat (except possibly for 100% fat meals) causes insulin to rise. That is normal physiology. The problem occurs when our bodies become resistant to the effects of insulin, thus requiring our pancreas to make more and more and more insulin.

 

The problem? Insulin promotes fat storage, increase inflammation and oxidation, and can even help fuel the growth of cancer cells. Therefore, the healthiest approach is one which reduced the level of insulin to the lowest possible levels. As it happens, a Low-carb High-fat or ketogenic lifestyle (LCHF/Keto lifestyle) dramatically improves your body’s sensitivity to insulin, reduces the amount of insulin secreted, and it allows your body to naturally use your fat stores for what they are designed for: Break them down into energy! Once we see that we need to fight chronic elevations of insulin, it becomes obvious why a low-fat diet is harmful, and why a low carb diet is the true path to health.

 

2-    Eating Fat Improves Your Cholesterol!

 

Wait, what? Eating fat can improve my cholesterol? Sounds crazy, right? That goes against everything we have heard from the medical establishment. Notice I said “cholesterol.” I didn’t say the "bad" low density lipoprotein (LDL), I didn’t say the "good" high density lipoprotein (HDL), or any one specific type of cholesterol. We have over emphasized the solitary variable of LDL for too long. Total cholesterol to HDL ratio, Triglyceride to HDL ratio, lipoprotein size and density, insulin sensitivity, and other metabolic measures are more powerful predictors of cardiovascular health than just LDL.

 

Once again, we see that all these markers improve with a Low Carb High Fat (LCHF) lifestyle. The medical establishment needs to realize that we are more complicated than one lab value. The key is to look at the whole picture, and this picture dramatically improves with a LCHF lifestyle.

 

3-    Higher HDL is Associated with a Lower Risk of Heart Disease.

 

HDL is your friend, but drugs are not. Observational evidence has consistently shown that higher HDL is associated with a lower risk of cardiovascular disease. However, our healthcare establishment does not prioritize HDL for one simple reason- Drugs that raise HDL don’t make you healthier. Trial after trial has failed to show any benefit from drugs that significantly increase HDL. 

 

Instead, it’s the HDL-raising lifestyle that provides the benefit, not artificially increasing it with drugs. What’s the best lifestyle to naturally raise HDL? You guessed it. LCHF/Keto lifestyle. Add in some resistance training and you have your friendly HDL climbing the way it was meant to…Naturally.

 

4-    LCHF Leaves You Feeling Great, Leading to Healthier Decisions

 

What kind of health decisions do you make when you are fatigued, achy, and find it difficult to concentrate? That’s a rhetorical question, I already know the answer. When things look glum and we don’t feel well, it's far too easy to sit on the couch or reach for the chips and cookies. Compare those decisions to those you make when you are well rested, energetic, and seeing the world more clearly. For most people, the better you feel, the better decisions you make.

 

Guess what? The majority of people who change to a LCHF lifestyle feel better! It may take a few days or weeks, but in general, they feel more in control of their health, more energetic, and they are able to make better health decisions. I admit this is difficult to prove in a scientific trial. That is why we all should become our own n=1 scientific trial. How do you feel and how are your health decisions after going to a LCHF lifestyle? What matters most is what works for you, not what works for hundreds of people who are kinda-sorta like you.

 

      5-    Keto helps you with fasting.

 

Eating better helps you not eat. People who eat a high carb diet eat a lot, don’t they? They are always grazing and snacking. Our bodies go through the roller coaster of blood sugar and insulin spikes, making it a challenge to go 24, 18, or even 6 hours without eating. This creates a constant, unwavering supply of insulin in our blood stream.

 

Why is this harmful? For one, it promotes fat storage and keeps us from using our fat as fuel. Secondly, chronically elevated insulin can predispose to heart disease, strokes, cancer, dementia and other devastating health conditions. When people change to Keto, however, they realize they do not need to eat nearly as much or as frequently. Avoiding the carbs and increasing the fats keeps us full longer, and our bodies quickly adapt to longer periods without eating. The result? We can use our fat stores for what they were designed- a source of fuel! It also allows our body to maintain lower insulin levels, and also allows our cells to take care of their health chores, referred to as…..

 

6-    LCHF Promotes Health Through Increased Autophagy.

 

Autopha-What? In medicine we like using fancy words to make us look smart. Autophagy is a big word to describe cellular housekeeping. When we have low enough intake of carbs and protein, or when we do intermittent fasts, our bodies can take care of their “to do” lists.  That list includes breaking down weak or damaged cells, recycling the good parts and discarding the rest, and slowing down the processes that can lead to abnormal cell growth (i.e. excess proteins in Alzheimer’s disease, abnormal cancer cells etc.).

 

Admittedly, long term outcome studies evaluating fasting or LCHF and cancer or dementia risk have not been done. But, on the flip side, drug trials to prevent the same are showing no benefit despite hundreds of millions of dollars invested. If you asked me (which you sort of did since you are reading my article), I’d vote for autophagy as a preventative strategy any day. It makes good physiologic sense, and it is so easy to achieve.

 

7-    With Keto You Will Enjoy Eating Again!

 

That’s right. A way of eating that helps you lose weight, helps you feel better, improves your health and is actually enjoyable! No fake processed soy products, no cardboard tasting rice cakes. True, it also means no more candy, processed snack foods, doughnuts and danishes. But once you swear them off for a few weeks, and you are eating all the eggs, avocados, nuts, fish, steak, cheese etc. that you want, you won’t miss those old crutches any more. Let the enjoyment begin!

I could go on, but since it seems people like “7 Reason” articles, I will leave it at that. 

 

Now you know the secret: Look at the whole picture. Look for a lifestyle, (not a diet) that helps you feel better, increases your enjoyment, and still benefits your overall health.

 

Is LCHF/Keto the right lifestyle for you? It just may be. It is for me, The Low Carb Cardiologist, and it is for most of my patients and clients. Want to learn more about how LCHF lifestyle impacts your health? Visit us at www.LowCarbCardiologist.com

 

Thanks for reading

 

Bret Scher, MD FACC

Founder, Boundless Health

www.LowCarbCardiologist.com

 

ADDENDUM!! Since I have published this article, there has been a windfall of media buzz around low carb diets increasing our risk of heart disease or diabetes. Let's look at where that information came from.

1- A study force feeding mice excessive amounts of industrial omega 6 oils. You can guess what I have to say about that. The article was incredibly helpful, and I immediately stopped force feeding my pet mice industrial seed oils. Thanks goodness for that article. As for how it applies to humans eating real food that contain fat, there is zero correlation. 

2- Epidemiological study suggesting those who ate low carb (40% calories from carbs, which by the way is NOT low carb) as measured by two food journals over 25 years had a higher risk of dying. Oh and by the way, at baseline they were heavier, more sedentary, smoked more, and ate fewer veggies. Yet somehow they concluded it must be the low carb diet that "caused" the harm. Once again, it may not be bad science, but it sure was awful interpretation of the science. 

In light of those two studies and the hoopla surrounding them, has anything happened to change my mind about a LCHF/keto diet being beneficial for our overall health and our heart health?

Absolutely not.

We still need to individualize our care and our lifestyle for who we are and how our bodies respond. That is always the case regardless of our nutrition, our medications, our exercise etc. As long as we do that, then this cardiologist still believes that LCHF IS HEART HEALTHY!

If you liked this post, you'll love my free E-Book on Low Carb/Keto Starter tips to help you get started on your LCHF path!

Thanks for reading. 

My Journey to The Low Carb Cardiologist Podcast

My Journey to The Low Carb Cardiologist Podcast

 

Sometimes change is hard, and sometimes it just feels right.

 

Changing my podcast from The Boundless Health Podcast to The Low Carb Cardiologist Podcast was a little of both.

 

To be fair, this wasn’t exactly the biggest, most impactful decision I have made lately.  The perspective is not lost on me. It’s a podcast name, not heart surgery.

 

But it was meaningful for me personally, and it exemplifies the current atmosphere of health and nutrition, and that is why it is worth exploring with you.

 

I still remember when I started my podcast. I was so afraid that I wouldn’t get any guests, that I was simply happy anyone would agree to come on the show and talk to me! As soon as the interview started, I was so grateful they were there, I just wanted to support them and thank them for their time.

 

But that doesn’t do much for challenging them, or digging deep to determine fact from fiction, or deciphering reasonable recommendations from those that are…..well…..let’s just say not as reasonable. Luckily, my friend HD from HormonesDemystified.com was there to set me straight.

 

HD helped me focus on my relationship with my listeners, and helped me realize that my listeners were my primary responsibility. My job wasn’t to give my guests the best experience. My job was to give my listeners the best experience, and to give them the best information I could.

 

With a clearer mission, I set out to refine my role and my niche.

 

That is where nutritional and health science started to look more like religion to me.

 

When I interviewed a vegan, I got push back from my low carb supporters wondering how I could support his views. When I interviewed a meat proponent, those who appreciated my vegan interview were up in arms about my hypocrisy.  They felt as if I had misled them.

 

What I failed to get across was that my interviews were not about me! These interviews were supposed to tease out the nuances of my guests’ viewpoints, to help determine what is backed by science, what is backed by emotion, and what can we learn from it. Yet many listeners equated my guests’ opinions with my own, and thus were upset at me for supporting both a vegan and a meat advocate. They were left wondering what I stand for.

 

I understand this does not encapsulate everyone. But it does highlight the world in which we live. Far too many people hold so strongly to their nutritional and health beliefs that they cannot bear to listen to the “other side” or even consider an opposing view point. The importance of detail, nuance, and scientific integrity is far too easily lost in the emotion and vigor of belief. And that is a sad reality for the world of reason, debate and scientific “truth.”

 

Which brings me back to the name of my podcast. What do I stand for? Which side of the aisle do I sit?

 

I believe some people can be healthy as vegans. I believe some people can do well restricting their fat intake and focusing on calories.

 

I also believe that the vast majority of people cannot achieve their health goals limiting fat and counting calories.

 

The most generalizable and most effective intervention that I have seen in the past 20 years is without out a doubt the low-carb lifestyle. Thus, the change to The Low Carb Cardiologist Podcast. No confusion there. My guests and my listeners know where I stand.

 

But that doesn’t mean I am going to stop looking at differing views, or trying to find the common ground between healthy vegans, healthy carnivores, and everyone in between. I will continue to tease out the nuances behind endurance athletes, crossfitters, and power walkers.

 

We all need a reminder to look outside our field of view (me included!), to go outside our comfort zone, and to explore the “other side,” even if it is simply to help us feel stronger in our convictions. The exploration is part of the process.  

 

My promise is that I will continue to explore health from any and every angle that I think will help you, my listener, improve your health for a lifetime of Your Best Health Ever!

 

The name has changed, but the mission remains the same.

 

How can I help you on your health journey? Please visit me at www.LowCarbCardiologist.com  and let me know how I can best help you achieve your health goals, or feel free to provide feedback about what you would like to see from The Low Carb cardiologist in the future.

 

Thanks for reading!

 

Bret Scher, MD FACC

Founder, Boundless Health

www.LowCarbCardiologist.com

 

Do Low Carb Ketogenic Diets Increase Your Risk of Dying?

Do Low Carb Ketogenic Diets Increase Your Risk of Dying?

 

Some people certainly want us to think so.

 

But as is often the case, the evidence doesn’t reliably support the dramatic claim.

 

Let’s face it. We all have biases. We all believe things strongly, and we look for evidence to support our position.  I have been guilty of that.

 

That is why those who state that ketogenic diets kill us may still be well meaning, even if they completely miss the point.

 

One frequently cited article to “prove” ketogenic diets kill us was published in the Annals of Internal Medicine in 2010

 

If we just read the abstract, the conclusion is clear. In a study of 129,000 subjects, those who scored the highest for an animal based low-carb diet had a 23% relative increased risk of all-cause mortality.

 

A plant based low-carb diet, on the other hand, seemed to be protective with a 20% decreased risk.

 

For many, an abstract is good enough evidence to sing from the rafters as if it were fact.

 

But that is not how science works. The details matter. They matter a lot. So, let’s look at the details before we condemn a ketogenic diet as a serial killer.

 

The analysis was based on a retrospective look at the Health Professional’s Study and the Nurse’s Health Study. Subjects filled out food questionnaires to estimate their nutrition intake over the past year, estimating their frequency of eating certain foods. Based on that frequency, they were given an animal low-carb diet “score,” and a vegetable low-carb diet “score”.

 

Let’s set aside the how horrible food questionnaires are for scientific validity. That’s the least of the study’s problems.

 

Looking at the baseline characteristics, we see all we need to know. Those who scored highest for animal low-carb diets also had the highest percentage of smokers, 30% vs 27% for women and 14% vs 9% for men (anyone else surprised there were more women smokers than men? I was). Is a 3-5% difference in smoking significant? You better believe it. Smoking is the single most dangerous thing we can do for our health. Considering the mortality difference was so small between the groups, a 5% smoking difference could absolutely account for it.

 

But it doesn’t stop there. The animal consuming men were less physically active and ate more trans-fats.  

 

This is a prime example of the “healthy user bias.” When the whole world says eating meat is bad for you (as they did in the 1980s), who do you think eats meat? You got it. Those who don’t care all that much about their health. Thus, the increase in smokers, increased unhealthy trans fats, and less physical activity.

 

And that is likely just the tip of the iceberg. What other unhealthy practices do they do more often that weren’t measured? We can’t analyze the data from what we didn’t measure.

 

Oh, and let’s not forget that the diets were nowhere close to being low carb ketogenic diets. The animal based low carb eaters consumed 163 grams of carbohydrates per day. 163 grams! I am not sure in what universe that is considered “low carb,” but I can assure you it isn’t in the actual low-carb community. For that, we need to eat at most 50 grams of carbs per day, and even less if we are already insulin resistant.

 

The paper then goes on to show the risk for all-cause mortality, cardiovascular mortality, and cancer mortality. But does it matter? When the data is as poor as this study’s, what can we really conclude?

 

We can conclude this: People who are unhealthy, who smoke, who follow a mixed diet of animal fat and moderate in carbohydrates, and who ignore society’s recommendations about their health have a worse outcome than those who are healthier and follow society’s health advice. Yawn. I think we have seen this movie before

 

So, before we condemn a ketogenic diet as being a silent killer, let’s make sure we are actually studying a ketogenic diet, and let’s make sure it is a level playing ground.

 

Does this mean ketogenic diets have been proven to be safe long term? No. Those studies have not been done. But……

 

Is losing weight, reducing inflammation, reversing diabetes and normalizing blood pressure, all while getting rid of medications likely to improve people’s long-term health? You better believe it.

 

Say hello to a real ketogenic diet.

 

Thanks for reading

 

Bret Scher, MD FACC

LowCarbCardiologist.com

Bret Scher, MD FACC

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