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Is Fasting an Effective Treatment for Diabetes?

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By losing 15% of their body weight, nearly 90% of those who have had type 2 diabetes for less than four years may achieve remission. Currently, more than half a billion adults have diabetes, and about a 50% increase is expected in another generation. I’ve got tons of videos on the best diets for diabetes, but what about no diet at all? More than a century ago, fasting was said to cure diabetes, quickly halting its progression and eliminating all signs of the disease within days or weeks. Even so, starvation is guaranteed to lead to the complete disappearance of you if kept up long enough. What’s the point of fasting away the pounds if they’re just going to return as soon as you restart the diet that created them in the first place? Might it be useful to kickstart a healthier diet? Let’s see what the science says. Type 2 diabetes has long been recognized as a disease of excess, once thought to afflict only “the idle rich…anyone whose environment and self-support does not require ...
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All About Allulose

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Sugar and high fructose corn syrup are the original industrial sweeteners —inexpensive, filled with empty calories, and contributing to diseases such as obesity, type 2 diabetes, cavities, and metabolic syndrome. Artificial sweeteners, like NutraSweet, Splenda, and Sweet’N Low, are the second-generation sweeteners. They are practically calorie-free, but cautions have been raised about their adverse effects . Sugar alcohols, such as sorbitol, xylitol, and erythritol, are the third-generation sweeteners. They’re low in calories but carry laxative effects or even worse . What about rare sugars like allulose?   What Is Allulose? Allulose is a natural, so-called rare sugar, present in limited quantities in nature. “Recent technological advances, such as enzymatic engineering using genetically modified microorganisms, now allow [manufacturers] to produce otherwise rare sugars” like allulose in substantial quantities.   Allulose and Weight Loss What happened when resear...
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Can Olive Oil Compete with Arthritis Drugs?

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What happened when topical olive oil was pitted against an ibuprofen-type drug for osteoarthritis and rheumatoid arthritis? Fifty million Americans suffer from arthritis, and osteoarthritis of the knee is the most common form, making it a leading cause of disability. There are several inflammatory pathways that underlie the disease’s onset and progression, so various anti-inflammatory foods have been put to the test. Strawberries can decrease circulating blood levels of an inflammatory mediator known as tumor necrosis factor , but that doesn’t necessarily translate into clinical improvement. For example, drinking cherry juice may lower a marker of inflammation known as C-reactive protein , but it failed to help treat pain and other symptoms of knee osteoarthritis. However, researchers claimed it “provided symptom relief.” Yes, it did when comparing symptoms before and after six weeks of drinking cherry juice, but not any better than a placebo, meaning drinking it was essentially no ...
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The Hidden Costs of Bariatric Surgery

Weight regain after bariatric surgery can have devastating psychological effects. How Sustainable Is the Weight Loss After Bariatric Surgery? I explore that issue in my video of the same name. Most gastric bypass patients end up regaining some of the fat they lose by the third year after surgery, but after seven years, 75% of patients followed at 10 U.S. hospitals maintained at least a 20% weight loss. The typical trajectory for someone who starts out obese at 285 pounds, for example, would be to drop to an overweight 178 pounds two years after bariatric surgery, but then regain weight up to an obese 207 pounds. This has been chalked up to “grazing” behavior, where compulsive eaters may shift from bingeing (which becomes more difficult post-surgery) to eating smaller amounts constantly throughout the day. In a group of women followed for eight years after gastric bypass surgery, about half continued to describe episodes of disordered eating. As one pediatric obesity specialist ...
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Is Surgery Necessary to Reverse Diabetes?

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Losing weight without rearranging your gastrointestinal anatomy carries advantages beyond just the lack of surgical risk. The surgical community objects to the characterization of bariatric surgery as internal jaw wiring and cutting into healthy organs just to discipline people’s behavior. They’ve even renamed it “metabolic surgery,” suggesting the anatomical rearrangements cause changes in digestive hormones that offer unique physiological benefits. As evidence, they point to the remarkable remission rates for type 2 diabetes. After bariatric surgery, about 50% of obese people with diabetes and 75% of “super-obese” diabetics go into remission, meaning they have normal blood sugar levels on a regular diet without any diabetes medication. The normalization of blood sugar can happen within days after the surgery. And 15 years after the surgery, 30% remained free from their diabetes, compared to a 7% remission rate in a nonsurgical control group. Are we sure it was the surgery, thou...
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Top 10 NutritionFacts.org Videos of 2025

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We create more than a hundred new videos every year. They are the culmination of countless hours of research. We comb through tens of thousands of scientific papers from the peer-reviewed medical literature so busy people like you don’t have to. In 2025, I covered a wide variety of hot topics. I released an extensive series on Ozempic , updates on vitamin B12 , and, of course, a lot on aging and anti-aging based on my research for How Not to Age . Which videos floated to the top last year?    #10 How Much Vitamin B12 Do We Need Each Day? How are the recommended daily and weekly doses of vitamin B12 derived?               #9 The Best Way to Boost NAD + : Supplements vs. Diet (webinar recording) This webinar wrapped up the pros and cons of all the NAD + supplements and the ways to naturally boost NAD + with diet and lifestyle. (Did you know we now offer a growing library of on-demand webinars for CME credits? To learn more...
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Bariatric Surgery: Risks in the OR and Beyond

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The extent of risk from bariatric weight-loss surgery may depend on the skill of the surgeon. After sleeve gastrectomy and Roux-en-Y gastric bypass, the third most common bariatric procedure is a revision to fix a previous bariatric procedure, as you can see below and at 0:16 in my video The Complications of Bariatric Weight-Loss Surgery . Up to 25% of bariatric patients have to go back into the operating room for problems caused by their first bariatric surgery. Reoperations are even riskier, with up to 10 times the mortality rate, and there is “no guarantee of success.” Complications include leaks, fistulas, ulcers, strictures, erosions, obstructions, and severe acid reflux. The extent of risk may depend on the skill of the surgeon. In a study published in The New England Journal of Medicine , bariatric surgeons voluntarily submitted videos of themselves performing surgery to a panel of their peers for evaluation. Technical proficiency varied widely and was related to the ra...
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