MS Nutrition | Researcher 10+ Years | Scientific Communicator

Arizona, USA
The cure for most cases of type 2 diabetes (T2DM) requires fat loss. This thread will discuss research showing restoration of carbohydrate tolerance in those with T2DM through addressing the underlying pathology (ectopic fat) rather than just focusing on symptom management.
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Alex Leaf retweeted
@Alexleaf explains why he can't understand the "supplements are a scam" belief, and the marketing trick that lets brands make big claims without ever disclosing the actual dose. Hosted by @theNOBSdentist, @CalvinandNOBS, and @TJ_Bongiorno. Brought to you by: NOBS: nobsroutines.com/ The Outgoing Co.: theoutgoing.co/ Full episode here or YouTube: DTHshow
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Alex Leaf retweeted
@Alexleaf ran a systematic review on keto and athletic performance. What he found once researchers actually tested elite athletes wasn't what keto's biggest defenders expected. Hosted by @theNOBSdentist, @CalvinandNOBS, and @TJ_Bongiorno. Brought to you by: NOBS: nobsroutines.com/ The Outgoing Co.: theoutgoing.co/ Full episode here or YouTube: DTHshow
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Alex Leaf retweeted
Part of what makes GLPs so powerful is that they can alter behavior before a person ever reaches conscious contemplation. Many people never meaningfully consider a different way of eating or living because they have never experienced the physiological and psychological conditions that make that alternative feel preferable. GLPs can change the reward landscape first, and cognition often catches up afterward. For some people, cognition never catches up to the behavioral shift, which is why many revert after discontinuation. But that outcome is not inevitable. The period on a GLP can become evidence—>if someone consciously updates the perceived benefits of food, movement, satiety, and their old habits, the new behavior can become genuinely preferable rather than merely pharmacologically easier.
Obesity is driven by a number of interacting factors that all converge to affect its proximal cause: chronic energy surplus. Beliefs, priorities, and preferences are the biggest factors. Most people simply have no desire to be healthy or to put in the effort required to be healthy in the modern environment. And appreciating this truth and the agency that people possess is not mutually exclusive with everything else that follows. Hyperpalatable food supply is next, defined by food options rich in combinations of added sugars, refined grains, added fats, salt, and flavorings. None of these things is obesogenic on its own. Inactivity comes third. People don't want to be active, and the modern environment is great at allowing people to live their lives with very little physical activity being needed. Then you have things like genetics, sleep and circadian disruption, chronic stress, medications, socioeconomic factors, alcohol, toxicants, and the microbiome. Key thing is figuring out what the biggest levers are for a particular person. But energy balance remains king, and encouraging personal agency over behavior is essential (e.g., no food will ever compel you to eat it).
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Obesity is driven by a number of interacting factors that all converge to affect its proximal cause: chronic energy surplus. Beliefs, priorities, and preferences are the biggest factors. Most people simply have no desire to be healthy or to put in the effort required to be healthy in the modern environment. And appreciating this truth and the agency that people possess is not mutually exclusive with everything else that follows. Hyperpalatable food supply is next, defined by food options rich in combinations of added sugars, refined grains, added fats, salt, and flavorings. None of these things is obesogenic on its own. Inactivity comes third. People don't want to be active, and the modern environment is great at allowing people to live their lives with very little physical activity being needed. Then you have things like genetics, sleep and circadian disruption, chronic stress, medications, socioeconomic factors, alcohol, toxicants, and the microbiome. Key thing is figuring out what the biggest levers are for a particular person. But energy balance remains king, and encouraging personal agency over behavior is essential (e.g., no food will ever compel you to eat it).
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As someone who is a huge fan of supplements in general, it really irritates me to the core to see companies sell products with complete bullshit claims like this. You cannot tell me with a straight face that 100 mg of your collagen product is equivalent to 10 grams of another.
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I think they are both underappreciated supplements that have large potential for benefit with little risk of harm, and they are cheap. Clinical trials on taurine suggest that 1-6 grams per day can improve some aspects of athletic performance (TTE and power output; PMID: 29546641) and reduce markers of oxidative stress and inflammation (T2D PMID: 32015761; obesity PMID: 24065043). Melatonin is one of the most potent antioxidants that we make with a cool evolutionary history (PMID: 26272235). Clinically, helps improve a number of metabolic biomarkers with 3-12 mg per night (PMIDs: 39428939; 29907916; 30647466). Has much more modest effects for sleep than many people think, but still a tendency for benefit depending on your starting point. Both are worthy of further investigation by anyone interested. The above is an incredibly abbreviated list of their effects, both mechanistic and clinical.
What’s the reasoning behind taurine and melatonin?
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Alex Leaf retweeted
I love watching them together🥹💙
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One of the only studies to ever investigate a reasonably high protein intake in people with overweight and obesity (PMID: 26817506).
Do you actually need a calorie surplus to build muscle? Alex Leaf breaks down the science of body recomposition and explains why beginners or those returning to the gym can build significant lean mass while in a massive calorie deficit, as long as their protein intake is high. Full episode here or on YouTube: DTHshow Guest: @Alexleaf
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Supplements are awesome. Many have a solid base of evidence supporting their use for specific health goals. Evaluate each one on its own merits and avoid making sweeping generalizations. Easy.
Writing off all supplements as a scam ignores the clinical research behind individual ingredients. We break down the bias against supplementation and highlight how specific compounds, like saffron, provide highly effective mood support with minimal side effects when compared to traditional interventions. Full episode here or on YouTube: DTHshow Guest: @Alexleaf
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Skin, joint, bone, gut (maybe). Benefits of collagen peptides continue to accumulate. It's not a miracle supplement by any means, but it's simply illogical to think that collagen is a scam or provides no benefits.
Hydrolyzed collagen is one of the best supplements you can take for overall health. Alex Leaf breaks down how it effectively supports skin, joint, and bone health, while also providing a massive boost of dietary glycine for intestinal support. Full episode here or on YouTube: DTHshow Guest: @Alexleaf
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This is actually easily explainable and it isn't the "dunk" or whatever some people think it is. At the most fundamental level, linoleic acid (LA) concentration and percentage are separate biological variables. You can see this with a simple hypothetical: the first person is metabolically healthy while the second person isn't. Healthy person: Total fatty acids = 4 mmol/L LA = 1.2 mmol/L LA = 30% of total Unhealthy person: Total fatty acids = 8 mmol/L LA = 1.6 mmol/L LA = 20% of total The LA concertation increased by 33% in the unhealthy person, but the percentage decreased from 30% to 20%. And this would result in the exact thing you see among these graphs, where higher metabolic risk correlates with both higher LA concentrations and lower LA percentage. This is almost certainly what was happing in the NHANES cohort from this study because total circulating fatty acid concentrations were positively correlated to triglyercides, LDL, cholesterol, insulin, glucose, blood pressure, BMI, and waist circumference. And LA increased as total fatty acids increased, but not nearly as quickly, meaning that percentage of LA fell while concentration of LA increased as someone became more metabolically unhealthy. Basically, LA concentration may simply be inheriting the association between total circulating fatty acids and metabolic dysfunction. Just take a step back here and imagine someone with insulin resistance. These people have a larger circulating pool of fatty acids overall, including LA. So of course LA concentration tracks with insulin, just like nearly every other fatty acid. So, if anything, these results aren't evidence that LA concentration is itself harmful.
HUGE #seedoil News: Science studies typically only use fatty acid percentage of the whole but when actual concentrations are measured, the associations to disease outcomes flip, especially for omega-6 fatty acids found in seed oils! Authors include anti seed oil investigators Chilton and Brenna The Influence of Fatty Acid Expression Methods on Associations with Cardiometabolic Biomarkers: Evidence from NHANES 2011–2012 @trikomes @TuckerGoodrich @SeedOilDsrspctr @SBakerMD @drcateshanahan @ChrisMasterjohn
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Alex Leaf retweeted
Social media is flooded with extreme health advice that completely ignores actual science. Alex Leaf breaks down the most persistent nutrition myths online, debunking everything from plant toxicity and carbohydrate fear-mongering to extreme carnivore diet claims. Full episode here or on YouTube: DTHshow Guest: @Alexleaf
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I absolutely love collagen. High reward, low cost supplement that does so many cool things in our bodies.
Alex Leaf explains why adding collagen to your daily routine is a low-cost, high-reward habit, comparing its foundational benefits to taking daily creatine. Full episode here or on YouTube: DTHshow Guest: @Alexleaf
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Look who I see 👀
I was honored to join @Heritage Men and Women’s Health Summit to discuss a lesson I learned firsthand as a urologist: too often, men enter the health care system only after a health problem has progressed.   We need to change that. Male fertility can offer important insights into broader health, and we must do more to recognize warning signs earlier, strengthen prevention, and address the root causes of poor health.   Restoring men’s health in America starts upstream—empowering men and families with the knowledge and tools to take action earlier and build healthier live
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Had a great time talking with Admiral Brian Christine (@ADM_Christine) and Ronald Henry (president of @MensHlthNetwork; not shown) on the Men's Health panel discussion at the Heritage Foundation event: Restoring Men's and Women's Health Summit.
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Alex Leaf retweeted
Just got the images back from our anatomy scan. So impressed with how fast they grow. We are all so in love already🥹💙
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Alex Leaf retweeted
We assume the loudest nutrition claims online are the ones worth listening to. @alexleaf says that's exactly backwards. Alex Leaf on why his own research found keto hurts elite athletic performance, and why saffron holds its own against antidepressants in nine separate studies. Full episode here or on YouTube: DTHshow
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New podcast!
Alex Leaf, @Alexleaf, has spent over a decade translating nutrition research for a living, and he's watched the same myths survive no matter how much evidence piles up against them. In this episode: -His own systematic review on keto diets and athletic performance, and what it actually found -The ApoB and LDL cholesterol debate, and why both extremes miss the nuance -The real story behind the myth that too much protein damages your liver -Why he takes ten grams of collagen a day -Whether you can actually build muscle in a calorie deficit Hosted by @theNOBSdentist, @CalvinandNOBS, and @TJ_Bongiorno. Brought to you by: • NOBS: nobsroutines.com/ • The Outgoing Co.: theoutgoing.co/ Follow @dthshow for more!
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If someone tells you with a straight face that vegetables have toxins causing population-level diseases, you can just ignore them.
40-year-olds are walking in with diseases you'd expect in a 60-year-old. This doctor blames the vegetables. 🎥: @anthony_chaffee on @ThomasDeLauer
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