https://youtu.be/QetsIU-3k7Y8. [99][100][101] One of the most prominent energy balance researchers, Kevin Hall, literally says this in a recent review paper. ", Complications of diabetes a disease affecting all organs, How to renew your body: Fasting and autophagy, Longer fasting regimens 24 hours or more, Short fasting regimens less than 24 hours. The caloric content of a food refers to the amount of energy stored in the chemical bonds of that food. If yes, should it only be on days you aren't fasting? This is like saying that its useless to keep a budget. Sign up now! When I eat my levels go up to 550 and doesnt start dropping until 10 hrs has passed. /1 pic.twitter.com/tKK3bVZquO, Yoni Freedhoff ?, MD (@YoniFreedhoff) February 28, 2019, However, there is one very public example where Dr. Fung attempted to get someone fired from their job. I could barely even look at my Dexcom (continuous-glucose monitor), which was buzzing all the time with over limit (270) readings. So, the main problem of obesity is not necessarily the calories we eat, but how our bodies use them. First, the fatty acids must be liberated from their stored triacylglyceride form from adipose tissue; this is lipolysis. View the map. The Obesity Code's answer for correcting this is an approach that Dr. Fung started using with patients in his medical practice several years ago. Just because you cannot track something exactly does NOT mean its completely worthless to try. [91][92][93]. Typically, the return on investment yields quite a bit of hate and nasty comments. My weight drifted back up to 280 lbs. In response, Dr. Fung contacted Dr. Freedhoffs department & filed a complaint, attempting to get him fired from his job! "Can teenagers fast? Im not talking about differences in preference based on a few cherry-picked studies. Shall I do the same? For the last 6 weeks I have been wearing a cgm and have seen some very interesting data coming from that. Its not the number of calories, its what your body does with those calories. They were not counting net carbs. I now have a much better chance of seeing my kids graduate from college. 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. 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%). Learn how this pie-making champion went low carb and how it changed his life. Hormones are central to obesity as is everything about human metabolism, including body weight. He claims that they cant lose fat unless they control insulin, and his usual recommended way of doing that is through some variation of IF. Hormones can tell us we are hungry (ghrelin). The net effect would be no difference in fat loss when calories are equated. This is not even necessarily a low-carbohydrate diet. ''How many times should I eat during my eating window? 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. What does living low carb look like? I was on Lisinopril, Plavix, Metoprolol, ASA, and my endocrinologist gave up and ordered Tresiba (insulin). Both were equal in calories/protein, and the goal was to examine their effects on fat loss. So, heres my best single tip for weight loss. However, if too much insulin contributes to obesity, then it becomes clear that we need to lower insulin levels. Before you blame insulin for the cause of obesity, understand that fat can be stored in adipose without increases in insulin via a protein called acylation stimulating protein (ASP). My patients all assume Im either sick or had gastric bypass. 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. Insulin levels were increased. (but I would say I carried it well). Not only is this not true, but its also a dangerous mindset to instill in people as it can create a black/white mentality. When I say misinformation, Im not talking about a difference of opinion. I hit 220 lbs for the first time in 25 years. During fasting, you burn body fat for energy. 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? And in what ways could it be beneficial? Obesity can be a hormonal dysregulation of fat accumulation. So you are looking at about a 100 calorie difference per day by DOUBLING protein. Its so simple and obvious that even a 5-year old could have come up with it. 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. [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. Could you fast for health without weight loss? 2014, Effects of Low-Carbohydrate Diets Versus Low-Fat Diets on ., Dr. If you balance those two, your weight will remain stable. While 3500 calories approximately equates to 1 lb of stored triglyceride in adipose tissue, the notion that simply eating 3500 calories less across a week will result in 1 lb of body fat loss is a bit too simplistic. When we eat is as important as what we eat and this is why, Understanding obesity the key to successful weight loss. High insulin effects are resisted in the case of type 2 diabetes. 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. Since then, his practice has grown to become a standalone clinic called Intensive Dietary Management (IDM) in Toronto. [43] Its important to note that TEF makes up a relatively small proportion of energy expenditure, and there is very little difference between fat/carbohydrate. People with a history of disordered eating should work with a professional when incorporating fasting in order to prevent the types of recurrence of issues as you experienced. However, this is not what Dr. Fung tells people. Another problem with Dr. Fungs insulin hypothesis is that protein is quite insulinogenic, in many cases more so than carbohydrates. 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. 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. These fatty acids must then be oxidized through beta-oxidation, whereby the fatty acids are cleaved into 2 carbon units to form acetyl-CoA, which can then enter the Krebs cycle for energy production/oxidative respiration to produce adenosine triphosphate (ATP), the energy currency of the cell. Glad to see Dr. Fung mention that traditional societies were high carb and still not obese. This sort of behavior upsets me since Dr. Fung refused to attack the substance of Dr. Freedhoffs argument and instead attempted to ruin his life. 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. Dr. Fungs books The Obesity Code, The Complete Guide to Fasting and The Diabetes Code are available on Amazon. As insulin goes up, one possible effect is that the bodys set weight goes up. [38]. This is not true. It sounds backwards because it is backwards. What about the diet of the Okinawans? Never mind that they added weight because they binge ate and consumed massive amounts of carbs AND fats in most cases. Do doctors treat type 2 diabetes completely wrong today in a way that actually makes the disease worse? As we already stated, the body does have elaborate compensatory mechanisms in place, and whole-body physiology is messy. But if you keep eating every hour or couple hours, insulin never has a chance to drop and your blood sugar remains high, thereby promoting obesity. Yet they had virtually no obesity. Insulin increases leptin secretion, and leptin is the major satiety hormone. He founded The Fasting Method (TheFastingMethod.com) to provide evidence-based advice for weight loss and managing blood sugars, focusing on low carbohydrate diets and intermittent fasting. Dr. Jason Fung Effective Weight Loss Program Dietary Program 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. It can improve your blood sugars, blood pressure and metabolic health, lowering your risk of heart disease, stroke and cancer. I only ate between noon and 7 pm. Avi Bitterman, MD on Twitter: Instead of defending his views that we . 22 Mar. 1, BMJ Case Reports 2018: Therapeutic use of intermittent fasting for people with type 2 diabetes as an alternative to insulin, Does sugar-free gum break a fast?The biochemistry of insulin resistanceHow do you repair low metabolism after a low-calorie diet?Physician success story Dr. Esther KawiraHow to transition from weight loss to maintenance mode?How fasting made all the difference for JenniferAfter trying every diet, Karen reaches her goals by trusting the processSandras incredible weight-loss journeyControlling hunger part 2Why is blood glucose elevated when fasting?Video post: What is insulin resistance?What is the optimal fast frequency?Video post what breaks a fast?What is aging?Longevity lessons from the Blue and unBlue ZonesA different path to the same destination"Can you get type 2 diabetes again once you've reversed it? Find contact details for 700 million professionals. All Rights Reserved. They are the best source of unbiased reviews of nutrition books available today. It happened so quickly I didnt even get a chance to wear some of them. Why is counting calories useless? He is a Canadian Nephrologist (Kidney doctor) whose website says he is "a world-leading expert on intermittent fasting and low carb, especially for treating people with Type 2 Diabetes." He originally came into notoriety after writing The Obesity Code and has since written The Diabetes Code and The Cancer Code. 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. He has written three best-selling health books and he co-founded the Intensive Dietary Management program. The Asians were loving their white rice. by Dr. Jason Fung. This is a deep dive with Dr. Jason Fung (IG: @drjasonfung)! Perhaps they were eating 2200, but since they cant track it EXACTLY, they werent aware that they were eating 10% more. Does Calorie Counting work? Now lets say this same person DOUBLED their protein in exchange for carbohydrate: Protein 1000 kcal x 0.2-0.3 = 200-300 kcal/d How to transition from weight loss to maintenance mode? I am NOT saying that energy expenditure isnt modifiable based on energy intake. 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. Either: I believe the key to long-lasting weight control is to control the main hormone responsible, which is insulin. Box Office Mojo. Dr. Jason Fung has a different perspective. I am happy about that but they are scheduling out months in advance. Insulin is secretes low in the afternoon. According to Dr. Fung, since you are keeping insulin low by fasting, shouldnt you lose more fat? Or is a "OMAD/2 meal/36 hour" cycle a better option?. I have been OMAD for nearly three years now thanks to finding Dr. Fung. [84][85][86][87][88]. Dr. Fung says: It really depends on which hormones are associated with the foods you are eating, thats the real key., Dr. Fung has spent many articles and videos nebulously discussing hormones, but rarely will he specifically talk about which hormones he is referencing. [11]. Research shows that to create significant metabolic adaptation, it requires weeks or months at a deficit, and only in the case of the Biggest Loser study where participants were in SEVERE deficits of thousands of calories every day do we see almost a 500 calorie metabolic adaptation after 30 WEEKS OF SEVERE RESTRICTION. [20][21][22] Licorice does appear to reduce body weight slightly (just under a pound) but also may raise blood pressure. Based on Dr. Fungs previous arguments, hed likely argue that since cookies are high in sugar, that means 100 calories from that cookie would much more likely be stored as fat compared to 100 calories from something else. Dr. Fung drinks tea daily. [102]. I would love to do that and in particular have someone knowledgeable look at my cgm data. Fasting, cellular cleansing and cancer is there a connection? Fatty Acid Oxidation and Its Relation with Insulin PubMed. 9 Dec. 2016, Acylation stimulating protein (ASP), an adipocyte autocrine: new ., De novo lipogenesis in humans: metabolic and regulatory aspects.. All sources of calories are not equal in terms of how they impact your bodys energy expenditure. We comply with the HONcode standard for trustworthy health information. In 2016, Dr. Fung fat-shamed two obesity researchers for being fat themselves at a scientific conference. 2020. Author of the international bestsellers The Diabetes Code and The Obesity Code Dr. Jason Fung returns with an eye-opening biography of cancer in which he offers a radical new paradigm for understanding cancer and issues a call to action for reducing risk moving forward. Icon Directions Right Arrow. I have had PCOS and insulin resistance. Stephan Guyenet, PhD on Twitter: Heres the thread where . 8 Oct. 2020, Intermittent fasting and weight loss: Systematic review PubMed.. Dr. Fung receives money for treating patients with kidney disease in hospital for general internal medicine and obesity medicine. Then I added Farxiga and maxed it out. A dietary problem requires a dietary solution. What should you eat or not eat? Why? How do you fast for 7 days? I see it being recommended to work with "a professional" in the discussions above. My Response: Once again, Dr. Fung mixes up his terms. Cookies Policy It is more effective than moderate exercise for weight loss. Dr. Fung speaks at conferences and occasionally receives speaking fees. You need three hours of no eating in between meals to get insulin to drop. The common currency in our bodies is not calories - guess what it is? 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). You cant fast your entire life since that would result in death. I think there has to be a better way. Second, its amazing just how little obesity there is. 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. That said, Dr. Fung rarely speaks about thyroid hormone other than to speculate that perhaps intermittent fasting (a methodology he heavily promotes) may help improve the condition of people with hypothyroidism. Diet and Disease - https://youtu.be/2yoOx_7MLn09. 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. Eat before you go to bed. Dermatologists diagnose and treat. This is only one side of the body fatness equation, however. Body fatness is a critical determinant of species survival. My wife, whos never weighed more than 120 lbs., looked through the recipes and concepts and worked with me. Im a 52 235 pound female, 53 years old. 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. Metabolic adaptation is not a major barrier to weight-loss . 9 May. It is not possible to address only half the problem and expect success. Dr Jason Fung is a Canadian nephrologist. Effectiveness of Intermittent Fasting and Time-Restricted Feeding . 14 Oct. 2019. This insulin theory of body fatness completely neglects the other side of the body fatness equation: how much fat is stored into adipose tissue. Almost 50% diabetes remission with fasting in this study - 50%!!! Dr. Fung eats a low-carbohydrate diet and fasts regularly. What is the connection between PCOS and insulin resistance? Although sometimes called a fad, low carb diets have actually more science Zeenah Z.2021-08-31T02:53:08-04:00Fasting, Featured|. Despite all appearances, I do not set out to find people to debunk or call out. Not the Jason Fung you were looking for? https://www.healthline.com/health-news/how-a-2-minute-walk-after-meal Keeping your blood sugar down will help keep your insulin down, which will allow for reduced appetitive and greater fat burning. The methodologies that Dr. Fung promotes for weight loss and type 2 diabetes treatment can be effective. 2014, Impact of different protein sources in the glycemic and insulinemic ., An insulin index of foods: the insulin demand generated PubMed., Dietary protein impact on glycemic control during weight loss., A moderate-protein diet produces sustained weight loss PubMed., Dietary protein and exercise have additive effects on body PubMed., A reduced ratio of dietary carbohydrate to protein PubMed., Effects of dietary protein on the composition of weight NCBI NIH., Biologys response to dieting: the impetus for weight regain.. 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. As such, we rely on hormones to precisely and tightly regulate body fat. The Useless Concept of Calories | by Dr. Jason Fung | Personal . 13 Nov. 2017. It certainly does. [53] While insulin does inhibit lipolysis, fat oxidation, and increases fat uptake into adipose, its effects on body fat levels are more complicated. Instead, I am sitting down at my keyboard, ready to break down his latest claims regarding nutrition systematically. [76][77][78] How could this be? Dr. Fung's fasting course part 2: How do you maximize fat burning? Therefore, any significant differences in energy expenditure are likely due to differences in protein, though the differences are relatively small. I just want to know how to stop losing weight. Contrary to Dr. Fungs strawman argument, its clear that leading energy balance researchers acknowledge that these are not independent variables. [68] The evidence for this is extremely thin and in opposition to the human outcome data. [49][50][51] Typically, he recommends that people avoid refined carbohydrates (though he doesnt necessarily advocate for low carb in general) and practice intermittent fasting to control insulin.