The Science of Low Carb



Do you want to improve your health and weight by eating real food? After 150 years of on-off popularity, low carb diets are finally getting the scientific support they need to be taken seriously.

Dr Eric C. Westman, MD and president elect of the American Society of Bariatric Physicians (weight loss doctors), has 15 years of experience helping patients lose weight and improve their health using low carb. He has also helped do several high-quality scientific studies on low carb.

Here Eric C. Westman talks about the science and the practicalities of using real low carb food for improving your weight and health.

More for your health:
http://www.DietDoctor.com

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ASBP (Weight loss doctors):
http://www.asbp.org/

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43 Replies to “The Science of Low Carb”

  1. TheRosa63

    I know for me following a lower carb diet has stopped all heart burn. I no longer get it anymore, used to get it almost everyday and in the middle of the night.I  have been following it about 6 weeks now, so far so good on all parameters, (I do notice I am not getting as many sinus infections but of course only on it 6 weeks) my friends are all getting sinus infections and colds so far so good for me (who alwas gets it when everyone does) yesterday I spent hte day fighting against sinus congestion to prevent infection, so far it worked,  (took antihistamines, decongestants and netti pot) sometimes i can easily get away with ot using any medicines for days then all of a sudden it seems like there is some kind of shift in my body and i start getting congestion, and sinu headaches and such from allergies (I have really bad allergies to mold mildew and cats) but they dont always bother me which is weird. some kind of common denomoniator perhaps? anyway my appetite doesn't seem out of control anymore. now when I eat fruit or some carb I dont eat much of it before I reach repulsion for it.  I average anywhere between 100 and 150 carbs per day once in a while it goes up a little bit more which is fine provided my appetite doesn't go out of control and start binging on it, which is a good sign my body is leptin sensitive again?

  2. George Jack

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  3. Scut Farkus

    HERE ARE THE METHODS FOR THE STUDY AT 1:52 (Weight Loss with a Low-Carbohydrate, Mediterranean, or Low-Fat Diet)

    Low-Fat Diet
    The low-fat, restricted-calorie diet was based on American Heart Association guidelines. We aimed at an energy intake of 1500 kcal per day for women and 1800 kcal per day for men, with 30% of calories from fat, 10% of calories from saturated fat, and an intake of 300 mg of cholesterol per day. The participants were counseled to consume low-fat grains, vegetables, fruits, and legumes and to limit their consumption of additional fats, sweets, and high-fat snacks.

    Mediterranean Diet
    The moderate-fat, restricted-calorie, Mediterranean diet was rich in vegetables and low in red meat, with poultry and fish replacing beef and lamb. We restricted energy intake to 1500 kcal per day for women and 1800 kcal per day for men, with a goal of no more than 35% of calories from fat; the main sources of added fat were 30 to 45 g of olive oil and a handful of nuts (five to seven nuts, <20 g) per day. The diet is based on the recommendations of Willett and Skerrett.

    Low-Carbohydrate Diet
    The low-carbohydrate, non–restricted-calorie diet aimed to provide 20 g of carbohydrates per day for the 2-month induction phase and immediately after religious holidays, with a gradual increase to a maximum of 120 g per day to maintain the weight loss. The intakes of total calories, protein, and fat were not limited. However, the participants were counseled to choose vegetarian sources of fat and protein and to avoid trans fat. The diet was based on the Atkins diet

    NOW I'D LIKE TO JUST COMMENT ON THE PARTS IN BOLD: HOW THE FUCK IS 30% OF CALORIES FROM FAT 'LOW-FAT'???

    AND HOW CAN THIS SHITCUNT MEATHEAD WESTMAN JUSTIFY EATING MEAT WHEN THE STUDY PARTICIPANTS WERE TOLD TO CHOOSE VEGETARIAN SOURCES OF FAT AND PROTEIN???

  4. A.J. Bray

    I've been on a strict Low-Carb diet since 2002. Not only have I lost 220+ pounds, but to answer the issue in the video, I've literally NEVER had heartburn. Not even sure I'd know what to do if I ever did experience it. On the other hand, I lived with a roommate who practically subsisted on carbs. Bland, boring, beige, carbs. Oh, and some spice-less chicken. (She NEVER ate spices…was convinced they'd give her heartburn!) And yet, despite her blandness (insanely obvious in comparison to my love of all things highly spiced), she practically lived on heartburn meds. And STILL GOT HEARTBURN. So, yeah…I think Dr. Westman has a valid point here. I can throw habañeros on my Low-Carb everything, and not ever feel a twinge, yet M. would live on bland beige-ness, and belch fire. Soooo…yeah. And, oh, yeah…she was VERY large.

  5. Becky Dobbs

    Once you lose all the weight you want, do you stay on the same food list for Maintenance? Or do you add back some other carbs like on the Atkins Diet? Can you maybe do a video for people who wish to Maintain LCHF? Please.

  6. Siegfried Furtwängler Knappertsbusch

    The study they mention on low-carb diets reversing atherosclerosis is NOT impressive. Unlike the study Ornish published in JAMA reversing heart disease through diet, this study does not do it through diet.
    1. Calories were restricted by more than 1000 under what is recommended in the low-carb group.
    2. The low-carb group was told to choose vegetarian sources of protein and fat. Something neither Westman or Eenfeldt otherwise recommend.
    3. Unlike the Ornish study these people were also on cholesterol lowering medications and/or BP lowering medications.

    So the only thing we could conclude from this is that if you eat a vegetarian low-carb diet and practice severe calorie restriction and take statins you might reverse atherosclerosis. It's not the diet.

  7. Nullius in verba

    I tried to add to the Wikipedia IBS page Dr. Westman's research on reducing symptoms of IBS-D but it was undone I believe 3 times by other doctors and editors because even with 4 primary clinical research studies there is apparently little secondary review literature on LCHF diets as a management strategy for IBS patients. Some of the editors are GI doctors – many medications listed on the IBS page but only FODMAP and fiber for diet management. Makes you wonder…

  8. smb123211

    I respect a moral decision not to eat meat (although millions of bacteria are killed when eating grains or fruit). What's ironic is that vegetarians are only possible because our ancestor ate meat! It is no coincidence that our brains began expanding rapidly at the same time we began eating cooked meat. It's a (pardon the pun) no brainer. Only cooked meat provided the energy to power such an incredible expansion.

    Attempts to go against the grain of evolutionary makeup ultimately fail. We are – and until we change our nature as a species – will be omnivores.

  9. tigaagul7

    10 months into LCHF and I'm down 70lbs. I am 47 years old Africa American and typically workout 1 to 2 times a week (basically pick up basketball). I stick to the principles of the diet and do not cheat at all. I would wish everyone to give it a chance and you can feel fantastic like me. I have a family history of heart disease so I had to take a chance on this lifestyle. After doing my research i was all in, Best decision of my life. I have friends and family that have also adapted to LCHF and they are doing great.

  10. classybro1

    If this is the case eating low carb, how do you build muscles without carbs…. everybody says you need carbs to fuel your body to make your muscles grow….I am very confused here…. Yes would love to lose body fat, how about losing my muscle…that's not what i would want….need explanation….

  11. I Went Vegan

    I would like to know how long people can live on this diet disease-free? I like how he brags how his patient's heart disease state exactly the same on his diet. Well that's one diet I would not want to follow. I would want to follow a diet that reverses heart disease. I feel bad for his patient giving him so much misinformation

  12. soulssong2u

    I wish I had known about the LCHF way of eating long ago. After many years of low fat, calorie counting, high carb diets, I was very ill, had multiple digestive issues, fatty liver, gallstones (I refused to let them take my gall bladder out) and many other health problems I won't go into here. After 6 months on LCHF, I no longer have gallstones, my fatty liver is healing, my digestive problems have disappeared and I am becoming healthier over all. I had gained substantial weight previously and was unable to get it to come off with diligent Low Fat Calorie counting diets along with exercise every day. I would lose weight for a few months then get stuck -Several months of trying different methods but still on Low fat did nothing but make me miserable and depressed. I've lost 89 lbs and counting this year. Half way to my optimal weight and the best I've ever been able to do on any way of eating and I'm actually exercising less than I was before. I won't argue semantics. I just know this way of eating works for me and it will be my way of eating for life. Thanks for putting this information out there to help people like myself who have been searching for a way that works for good health and getting to a good weight!

  13. Dimo Valev

    I propose all vegans and other grass eaters to go eat grass and leave us alone. Go write your comments under the vegan videos and stop looking in our plate 🙂 Cheers! Below is a nice quote from Anthony Bourdain 😉
    “Vegetarians, and their Hezbollah-like splinter-faction, the vegans, are a persistent irritant to any chef worth a damn. 
    To me, life without veal stock, pork fat, sausage, organ meat, demi-glace, or even stinky cheese is a life not worth living. 
    Vegetarians are the enemy of everything good and decent in the human spirit, an affront to all I stand for, the pure enjoyment of food. The body, these waterheads imagine, is a temple that should not be polluted by animal protein.

  14. Bacon Bandit

    I weighed 340lbs. I had sleep apnea, high blood pressure, and high cholesterol. I went low carb and now I weigh 200. I have now medical issues what so ever. The New Atkins For a New You saved my life.

  15. oortian1

    I really like your interviews but please, please don't talk so much. You keep interrupting your guests and interrupt the flow of information. Ask your question and allow the guest to answer….vocalizations of any kind aren't necessary. No offence meant…..

  16. bumblesby

    I am one of the cases with acid reflux. It was so bad in April 2014 that I had an endoscopy done along with a biopsy. There was significant damage to my lower esophagus. I had started taking a prescription acid pump inhibitor which did help some. The doctor who did the endoscopy told me to stay on the drug the rest of my life.  I went on low carb in August 2014, and my acid reflux and issues associated with that have nearly disappeared and no medications are needed. Because of the damage, it took many months, but things are very good now in June 2015.

  17. xbtsw

    No offence. The information is great! A quick suggestion: after I view couple of interviews by you. I would really suggest you interrupt less and use less suggestive questions. That will actually make the interviews more persuading and informative.

  18. doctorxring

    The study mentioned at 8:50 also included included low-fat diet and the mediterranean diet as well as low-carb.  All show the reduction in atherosclerotic plaques.  Weight reduction was identified as the determinant factor. Just being fair here.  I use a low-carb diet myself.

  19. jeremy j

    I read that dog meat has 20% fat but judging by the dogs I've seen i'm sure it's lower. Closer to 10% perhaps. Does anybody know what other protein sources I can get in an urban environment?

  20. Robert Stever

    It would appear that all of the HCLF posters here are using troll (sock-puppet) accounts. We really don't need to feed them as they seem to lack any credibility in the scientific realm to reason with.

  21. Brian Nichols

    So if you eat a low carb diet where do you get your energy from? Fat and protein? lol I've been a high carb vegan for a year and have never felt better. My blood test results speak for themselves. This guy is delusional and he has no right even mentioning the word 'science'.

  22. Thomas Reyment

    why is this titled "the science of low carb"??? there is no science related things here. all they talk about is tiny, insignificant studies that do not count in the scientific community as evidence, and that guy keeps on going on about "proof". NOTHING mentioned here is proof, and this video is very misleading (even the title is misleading). I know a lot about carbohydrates myself and i know that variety is best. low glycemic-index carbohydrates, polyunsaturated and monounsaturated fats, vitamins and minerals are all important parts of a diverse diet, the best diet for you. 

  23. troy delaney

    For those who are allergic to high mould foods such as carbs etc high fat is perfect.. it shows people are building the same resistance to grains, starches as people with lactose intolerance.. humans DNA and biochemistry is fat and protein… Carbs may be fine if you plan on not eating for a month on an island and you want to create some new fat cells for storage… Other than that… Don't eat the crap… Especially if you're asthmatic or have skin problems..

    That is fact.. I'm living proof… If you can tolerate carbs go ahead… You will be at your optimum health though..

  24. Train Wootwoot

    The only way the ketogenic diet can fail is if the individual lacks discipline. If it didn't work for you, that's not because the process itself didn't work. It's because you did not have discipline. Discipline yourself. Sacrifice your foods. Realize that as an American you eat like a King three times a day, and that it's time to give it up. 

  25. skylar

    @DesertSun The problem is that if everyone ate a low carb diet, the world would run out of food very quickly. I know it may seem selfish, but it's probably better that only a few people know about the benefits of low carb diets, because its not a sustainable lifestyle for the planet, seeing as the world is overpopulated with humans as it is anyway.

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