Therapeutic Fasting - The Two Compartment Problem: https://youtu.be/ETkwZIi3R7w3. Even if they did, in my opinion, it still does not validate the claims of 2x the results with 50% of the effort. If that is the metric they wish to use, then that means you would be getting 4x the results of an average person who just fasted or dieted without this tea if we standardized for effort (i.e., we assume they made a normal effort instead of half effort). by Dr. Jason Fung. Obesity Energetics: Body Weight Regulation and the NCBI NIH. 11 Feb. 2017, Set points, settling points and some alternative models NCBI NIH.. It certainly works just as well as typical caloric restriction for fat loss. In 2016, Dr. Fung fat-shamed two obesity researchers for being fat themselves at a scientific conference. Metabolic disease, including type 2 diabetes is by far and away the main cause of kidney disease, and it is a reversible condition, but not with medications, only through lifestyle changes. Medications that actually work for type 2 diabetes, Grazing or fasting and why it matters for weight loss, How a thin person with diabetes reversed her type 2 diabetes, How to not get hungry: Fasting and ghrelin, Why type 2 diabetes is a reversible dietary disease. What if there was a more effective treatment alternative for obesity and type 2 diabetes, that is both simple and free? He was recently on Tom Bilyeus podcast Impact Theory discussing his nutrition views. He is only 60 kgs works hard plays sport. Listen to Books & Original. Dr. Fung's fasting course part 8: Dr. Fung's top tips for fasting. I fast daily either 16/8 or 18/6. The entero-insular axis and adipose tissue-related factors Nature. 28 Nov. 2006. Dr. Jason Fung reveals his top seven reasons why you should consider adding intermittent fasting to your repertoire. more than where I would like to be. When should you eat if you're working night shifts? [64] Further, insulin levels do not predict weight gain over time. Perhaps one child in a hundred. A dietary problem requires a dietary solution. A meta-analysis of over 20 controlled feeding studies (food was either provided to subjects or the subjects were housed in a controlled environment where adherence was not an issue) demonstrated that there were virtually no differences in fat loss between diets that were high in carbohydrate vs. those low in carbohydrate when calories and protein were equated. To determine if the effects observed on fat loss are due to low insulin or simply caloric restriction, we must equate calories over some time and observe what occurs. I was becoming defeated. However, this difference (approximately 16g more fat loss per day) is likely clinically irrelevant. As of now, all attempts at a formal debate have been unsuccessful as he hasnt acknowledged them. If he is truly referring to how many calories you expend in response to eating a particular food, in this case, a cookie, he is talking about TEF, but he mixes the terminology rendering it difficult to know exactly what he is referring to. Fat: 500 kcal x 0-0.03 = 0-15 kcal/d Maybe not an outright malicious lie, but much of what we believe in medicine can be traced back to word-of-mouth teachings without a scientific basis. Hi, My son 40yrs has just been diagnosed with type 1 diabetes, the specialist said for him to inject insulin 3 to 4 times a day because his pancreas has totally stopped working. In the majority of cases dialysis and kidney transplant are the only options for those in the advanced stage of the disease. Dr. Ted Naiman answers this question. Unfortunately, he continues to disperse misinformation to the point where I am no longer content to make short Instagram posts or YouTube videos about his claims. All Rights Reserved. Seeing many diabetic patients with kidney complications, he has taken special interest in obesity and diabetes.He has pioneered the use of therapeutic fasting regimens for weight loss and type 2 diabetes control, with great success, at his Intensive Dietary Management clinic in Toronto. The Toronto Metabolic Clinic offers treatment for various conditions through dietary intervention, under the supervision of a dedicated and well-trained medical team, including family physicians, and specialists. Do you have an article to refer me to? The Roots of the Obesity Epidemic - https://youtu.be/q8BGYhreaco2. 2021. Metabolic changes after licorice consumption: A systematic review . 15 Jan. 2018. [34] EA and NEAT are differentiated based on intent. I occasionally have pancreatitis flare ups. How exactly do you as a doctor help patients reverse their type 2 diabetes? People against calorie counting will argue this is why its a waste of time to count calories since you cant know exactly how much you are eating or expending due to food label errors and large errors in energy expenditure trackers (hint: your smartwatch has no idea how many calories you burn during exercise and it probably overestimates by 30-100%). Hormones can increase energy expenditure (adrenalin). Dr. Fung about what you need to do to start fasting. My weight drifted back up to 280 lbs. https://www.dietdoctor.com/low-carb/kidney-health. However, it works by creating a calorie deficit through reductions in food intake, not because of low insulin. OMAD is not too difficult for me. Does Calorie Counting work? Jason Fung shares the basics of Intermittent Fasting, the who, what, when and how including some tips for fasting. To express it more easily, I have included a hypothetical figure from my book, Fat Loss Forever, and it compares these two diets and their effects on fat storage/burning. The problem is in the dosage and how extreme the claims are. Find contact details for 700 million professionals. Effects of Time-Restricted Eating on Weight Loss and Other . 1 Nov. 2020. We dont consciously control our body weight any more than we control our heart rates or our body temperatures. Indeed, as we discussed, the previously cited meta-analysis and systematic reviews that examined diets equivalent in daily or weekly calories but compared some form of IF/TRF to continuous caloric restriction saw NO differences in fat loss. As such, we rely on hormones to precisely and tightly regulate body fat. What if there was a more effective treatment alternative for obesity and type 2 diabetes, that is both simple and free? This is unsurprising since he does not understand the components of the energy balance equation since he has previously stated that the only two components of TDEE are BMR and exercise. Diet Doctor Podcast #35 with Ben Bikman, PhD. While BMR is a significant component of your TDEE, the two are not the same thing. They were eating tons of white rice. For example, if someone ate a diet of 25% protein, 50% carbohydrate, and 25% fat at 2000 calories, we would assume their TEF would be approximately the following: Protein: 500 kcal x 0.2-0.3 = 100-150 kcal/d Finally. Moreover, if we recall our fat balance equation from earlier, a TRF approach would produce a large amount of fat oxidation during the fasting period, but this would be balanced with a large amount of fat storage during the short feeding period. Indeed there is quite a bit of evidence to demonstrate that people who have rigid mindsets around foods (create good or bad foods) have a much higher incidence of binge eating disorder than people with a flexible mindset around food. His knowledge has helped change the way many people think about getting healthy. Theres nothing wrong with that that is simply its job. This is not a vegetarian diet. Our dieting program is based on intermittent fasting and low carbohydrate/ketogenic consumption, and offered in partnership. "Do you have any suggestions to improve sleep when fasting? I don't want to get back there, but it seems to be what is happening. Even a short walk will help lower blood sugar. Glad to see Dr. Fung mention that traditional societies were high carb and still not obese. Body fatness is a critical determinant of species survival. We now understand that energy intake and expenditure are interdependent variables that are dynamically influenced by each other and body weight, Dr. Hall states. While the books sold very well, they certainly have not been embraced by academics and experts. Share this article with a friend More articles you might enjoy MORE BLOGS How Doctors Lose Weight How do doctors lose weight? Im not sure how many more research studies we need to refute these claims as the evidence is quite overwhelming. Im riding a bike again and walking daily. This acted only to reinforce that carbohydrates or not fasting long enough was the problem. Carbohydrate: 1000 kcal x 0.05 0.10 = 50-100 kcal/d [57] Why is this important? As insulin goes up, one possible effect is that the bodys set weight goes up. You cant fast your entire life since that would result in death. [61] Not only did this study show that fat loss slightly favored the low-fat group, but the study also demonstrated that the low fat group had total daily insulin levels that were ~47% lower than the low carb group. Im happy and proud again. Id like practical advice re: intermittent fasting. Dec 15, 2022. Carbohydrate: 500 kcal x 0.05-0.10 = 25-50 kcal/d This can be easily done by varying the amount of carbohydrate vs. fat in the diet (fat isnt an insulin secretagogue) while keeping protein constant and examining the amount of fat gained or lost. [30][31] For that to be 4x as effective, that means the standard treatment would only yield 0.3kg of weight loss if they did 50% the effort. If thats the case, then perhaps they need to re-think the effectiveness of their standard treatment. Why is blood glucose elevated when fasting? I have been looking everywhere for a scientifically-sound recommendation for a daily amount of a HEALTHY dietary fat intake, either in grams or ounces. Dr. Fung's fasting course part 2: How do you maximize fat burning? Within 5 months, I was at my ideal weight. In the landmark 1993 Diabetes Control and Complications Trial, researchers compared a standard dose of insulin to a high dose designed to tightly control blood sugars in type 1 diabetic patients. Dr. Fung has previously said that all calories are not equal, which is likely the argument he is attempting to make here, but its fallacious. It certainly does. https://www.amazon.com/dp/1771641258?ref=exp_jasonfung_dp_vv_dThe Diabetes Code - Reviewing how type 2 diabetes is a reversible disease and dietary strategies. In this video, Dr. Jason Fung gives a presentation on diabetes to a room full of medical professionals. A low carb diet or IF/TRF can be used with a flexible mindset when the person understands the reason these diets work is by creating a calorie deficit. Jason Fung: To Lose Weight, You MUST control Insulin YouTube. 9 Dec. 2017. Total = 150-265 kcal/d TEF. They dont stress if they break their fast at 14 hours instead of 16 hours because they understand there isnt anything magical about fasting; they just have to control their overall energy intake. Think of it like this, if we compare 2 diets equal in protein and calories but either high or low in carbohydrates or fats we get the following results: High Fat Low Carb Diet: High fat stored but high fat burned. My pants, which were size 42, went down to a 40, then 38, then 36, and now 34. Dr. Fung is a co-owner in the Diet Doctor company. I have been OMAD for nearly three years now thanks to finding Dr. Fung. . High insulin effects are resisted in the case of type 2 diabetes. While he does not identify it, Dr. Fung is referring to the fact that during caloric restriction and weight loss, a phenomenon known as metabolic adaptation occurs whereby your body reduces energy expenditure to preserve energy stores. Obesity can be a hormonal dysregulation of fat accumulation. Search Others Named Jason Fung Jason Fung Chief Executive Officer So, the main problem of obesity is not necessarily the calories we eat, but how our bodies use them. [52] He notes that insulin is the fat storage hormone. I now have a much better chance of seeing my kids graduate from college. So what, right? Its not going to make a massive difference. My blood pressure dropped so much I could cut the Lisinopril from 20 mg to 5 mg and stop taking Metoprolol altogether. First, its important to note that Dr. Fung confuses your basal metabolic rate (BMR) with your total daily energy expenditure (TDEE). I am happy about that but they are scheduling out months in advance. My Response: Once again, Dr. Fung mixes up his terms. It is not possible to address only half the problem and expect success. So who is Dr. Jason Fung? I am not saying that IF/TRF does not work. Last year, I got close to my ideal weight with 48 hour fasts, but it was binge and purge, now I have gained it all back and more. Im truly grateful for you and yourmethods. Weight Loss (My Best Tip and 3 Hacks) Featured, How To Lose Weight | Weight loss is a very difficult problem we see in our clinic day after day. There are only two possible outcomes that I can think of. The perfect treatment for diabetes and weight loss. 'How Dolly turned her obesity and metabolic syndrome aroundHyperandrogenism PCOS 3Diabetes of bearded women PCOS 2Infertility, PCOS and the IDM programWhy does blood sugar increase during a fast?When we eat is as important as what we eat and this is whyWhat and when to eat to reduce insulinUnderstanding obesity the key to successful weight lossHow do you increase the length of your fasts without stressing the adrenals?New book: The Diabetes CodeCutting calories won't solve your weight issues do this insteadWhen should you eat if you're working night shifts?Do you recommend going in and out of ketosis?The Warburg Effect and cancerThe 6 common features of cancerThe powerhouses of the cell and human diseasesWhat are the good and bad effects of fasting?Why carbs and exercise are not the answers to reverse type 2 diabetesThe most important thing practicing fasting safelyIs fasting every single day counterproductive?Autophagy a cure for many present-day diseases?Fasting, cellular cleansing and cancer is there a connection?Can just the sight of food raise insulin? I have no diabetes, not heart disease and perfect labs 14 years post-transplant but need to lose about 65 lbs. [41] Dr. Fung and other like-minded people will use this fact to form a strawman argument against the idea of energy balance, aka calories in vs. calories out (CICO), on the basis that it assumes all calories are the same. All sources of calories are not equal in terms of how they impact your bodys energy expenditure. High I have thyroid issue and iron low but I need to lose weight almost 50 lbs please guide me, Here is our two week getting started challenge. Some may say that these claims are by the company, but the fact is that Dr. Fungs name is right there on the product box. This doesnt mean that eating in a 500 calorie deficit wont produce weight loss. Insulin Resistance - https://youtu.be/dimP7IdM2Og11. Diet Doctor Podcast #4 with Joseph Antoun. I readThe Diabetes Codetwice in one week and was full of emotions. How fasting made all the difference for Jennifer, After trying every diet, Karen reaches her goals by trusting the process. Books With Free. 2021, Controlling Hunger-Part 1. (510) 452-2811. What's it like being a low-carb doctor on TV? Hormones can tell us we are full (peptide YY, cholecystokinin). And what should you do instead to lose weight? [10] Fortunately, Dr. Freedhoff did not lose his job but instead was promoted. By the end of last year my weight was still 245 lbs. I started buying yourbooksand giving them to family and recommending them to friends. I do not believe in low carb, so it's good to know that he says you can eat any way you want and still lose weight by fasting. All I can find are conflicting percentages and old-school (but unproven in my case) calorie recommendations. https://www.dietdoctor.com/intermittent-fasting/guides. My wife, whos never weighed more than 120 lbs., looked through the recipes and concepts and worked with me. I cant afford to fast, what do I do? During fasting, you burn body fat for energy. 2020. So who is Dr. Jason Fung? Zeenah Z.2021-08-16T09:35:13-04:00Fasting, Featured|. IF zealots will likely strawman my argument and point out the large numbers of people who have lost fat and improved their insulin sensitivity, and possibly even cured their diabetes using an IF approach. The only evidence I could find of him debating anyone was on a TV show called The Doctors, where he engaged in a short debate with vegan Dr. Joel Kahn, someone who happens to fall on the other end of the same coin as Dr. Fung. An open letter to Dr. Fung from a doctor who adopted fasting and changed his life By Jason Fung, MD "It would not be dramatic for me to say your books saved my life and showed me a better way to live. If you are predominantly fasting, you will lose weight. But this method has been a long-term failure. But because of my reputation, people end up sending me tons of fitness content and asking for my opinion on the information itself along with any claims. Yet they had virtually no obesity. Dr. Fung receives money for treating patients with kidney disease in hospital for general internal medicine and obesity medicine. He receives consulting fees from Pique Tea. This course is designed for health coaches who want to add intermittent fasting to their toolbox of options for helping clients improve their health. Dr. Jason Fung (IG: @drjasonfung) is a physician, author, and researcher. By myhealthbuildersdb / December 22, 2021. If there had not been all of that background, I would not go as hard on Dr. Fung as I have the last few years. The well . 18 Mar. The book reviews are all done by a primary reviewer and a secondary reviewer, all of whom have at least a masters degree or higher (several of them also conduct reviews for scientific journals). "Do you have any suggestions to improve sleep when fasting? 2012, Effect of licorice on the reduction of body fat mass in healthy subjects., The Effect of Dried Glycyrrhiza Glabra L. Extract on Obesity ., Ginger Green Fasting Tea | Fasting Tea Formulated Pique Tea., A review: exercise and its influence on resting energy metabolism in .. Insulin increases leptin secretion, and leptin is the major satiety hormone. While people can lose weight without tracking calories using low carb diets and IF/TRF protocols, the simple act of not tracking calories does NOT mean those people arent restricting calories, just like the mere act of saving money while not keeping a budget does NOT mean that you somehow managed to save money while not earning more than you spent. [75] While intermittent fasting (IF) aka time restricted feeding (TRF) can be a useful tool for fat loss, it does not appear to be superior to normal calorie restriction for fat loss, and similar improvements are also observed for measures of insulin sensitivity like HbA1c, though more research is needed (it should be noted that these results hold true even with protocols such as alternate day fasting). ANY hormone that impacts weight loss is going to do so through modifying either energy intake or energy expenditure, not through some sort of hocus pocus magic. Dr. Jason Fung reveals his best weight loss tip and three hacks to follow it. Dr. Jason Fung has a different perspective. My shirts went from XXL to L. As my fasting practice matured, I started doing weekly fasts anywhere from 36-60 hours. Functional Medicine for Residents and Medical Students, Career Opportunities in Functional Medicine, Free Functional Medicine Introduction Courses, Lifestyle: The Foundations of Functional Medicine, Applying Functional Medicine in Clinical Practice, Bioenergetics Advanced Practice Module (APM), Europe. How to help patients reverse type 2 diabetes. 2019, Food Label Accuracy of Common Snack Foods NCBI NIH.. My wife has partnered with me to cut my carbs and increase my healthy fats and proteins. Watch Dr. Fungs brief presentation above. Fortunately, we have a plethora of studies to draw from when examining this question. Once we understand that hormonal imbalances can affect weight gain, we can begin to treat it. Further, he conflates TDEE, BMR, and the thermic effect of food (TEF), which is the amount of energy expended to digest, absorb, and metabolize a food/nutrient, which accounts for approximately 5-10% of your TDEE. They were eating Oreo cookies. I got the cgm through Veri so it isn't related to my GP or any other specific doctor. This boils down to two simple factors: Most diets concern themselves with only the first question and I believe that is why they fail over the long term. https://youtu.be/5F5o0a4p_3U4. Just because you cannot track something exactly does NOT mean its completely worthless to try. [83] If insulin was truly the cause of obesity, we would expect to see high protein diets also be deleterious for fat loss and insulin sensitivity, but we actually see the opposite. Learn how this pie-making champion went low carb and how it changed his life. It most certainly is! Learn more ↩ Stay updated like 500,000+ subscribers with our weekly Diet Doctor newsletter. Obesity Code Diet Healthline. 5 Oct. 2018. Why does blood sugar increase during a fast? Our intermittent fasting guides should be helpful for you! All rights reserved. Dr. Jason Fung is someone who has repeatedly gotten on my radar over the last five years. My friend is a weight-loss surgeon and has tried to sell me on gastric bypass. That said, its important to note that all caloric sources do not affect energy expenditure in the same way (because of TEF), which is likely the argument he is attempting to make about either storing 100 calories or burning it. I started at 212 lbs and after 5 months I have only lost 2 lbs. Do you recommend going in and out of ketosis? This is only one side of the body fatness equation, however. As I said, this isnt what I go out looking for. All the while, I was advocating for calories in/calories out (CICO) with my patients. . I think there has to be a better way. 2020. His mountains of false, fallacious, and otherwise ridiculous claims have resulted in me attempting to engage him in a debate along with creating various posts and videos to address his claims. We can get fat because weve given our body the hormonal signal to gain body fat. Does high insulin cause obesity? Why is counting calories useless? Dr. Fung graduated from the University of Toronto and completed his residency at the University of California, Los Angeles. Intermittent Fasting Questions & Answers with Dr. Fung Diet Doctor. 16 Nov. 2020, Effects of Short-Term Fasting and Different PubMed NIH., Energy Expenditure Responses to Fasting and NCBI NIH.. However, it works by creating a calorie deficit through reductions in food intake, not by controlling insulin or increasing metabolic rate. 'Can you have a normal blood sugar and still be insulin resistant? Icon Directions Right Arrow. He is also a part-owner at Intensive Dietary Management corporation, which provides education and support for fasting. After finishing the four books, I stopped eating between meals. Are trouble sleeping and anger common while fasting? Theyre the same, just as each second on a clock is the same. If fasting to control insulin was more important than the caloric content of food, why do none of these literature reviews show differences in fat loss when calories are equated? When we eat is as important as what we eat and this is why, Understanding obesity the key to successful weight loss. All calories are equal, the same way each mile per hour on a gauge is the same. During your sleep, you are (presumably) not eating and therefore fasting. His groundbreaking science-based books about diabetes and obesity, The Diabetes Code, The Obesity Code, and The Complete Guide to Fasting have sold hundreds of thousands of copies and challenged the conventional wisdom that diabetics should be treated with insulin. Lets discuss the closing sentence of this first statement. What about the diet of the Chinese in the 1980s? My response: There is a lot to unpack here in less than 20 seconds. This is a diet designed to lower insulin levels because insulin is the physiologic trigger of fat storage. Low carb diets have often been used throughout history for weight loss. I feel I have IF and LCHF dieting down way better than most and I am very vigilant about it- no cheating. Most of them have roundly slammed Dr. Fungs books, including Red Pen Reviews which gave The Obesity Code a shocking score of 31% for Scientific Accuracy. [1][2][3] For context, Red Pen Reviews was founded by Seth Yoder and Dr. Stephan Guyenet to provide systematic reviews of nutrition books and the veracity of their claims. The official website of Dr. Layne Norton, a renowned prep/physique coach and pro natural bodybuilder/powerlifter with a PhD in Nutritional Sciences. While we already discussed that all calories are the same because calories are simply a unit of measurement, all sources of calories are not the same, and CICO does not assume they are the same. My sugars and A1c went to normal and my cholesterol dropped to 120. Even if we assume that the dosage in the tea is sufficient to reap the effects on weight loss, if we add together the average weight loss in trials for licorice (0.4 kg) and green tea (0.8 kg) we get 1.2 kg of weight loss. For their patients, doctors often advise following standard diets, but when trying to lose weight themselves Zeenah Z.2021-08-09T09:54:42-04:00Featured, How To Lose Weight, Resource|. With one foot in the grave, Robert turned things around and lost 200 lbs, How to worsen diabetes: follow the worst of the ADA and CDA advice, The difficulties of diagnosing PCOS - PCOS 4, How Dolly turned her obesity and metabolic syndrome around. I usually eat eitherOMAD (one meal a day)or TMAD (two meals a day). How could these results be true based on the biochemistry of insulin? Diet Doctor will not benefit from your purchases. I was underweight prior to having children and aging. On a low-carb diet, fat burning increases significantly. Jason Fung, MD, was born in 1973 and trained in Los Angeles and Toronto as a kidney specialist. Dr. My patients all assume Im either sick or had gastric bypass.