Browse the evidence

Accumulation of Persistent Organic Pollutants (POPs) in adipose tissue is associated with a metabolically unhealthy obesity phenotype, suggesting that environmental toxins may drive metabolic dysfunction and inflammation.

Reducing body fat may help lower your body burden of environmental toxins stored in adipose tissue. Prioritize a diet low in highly processed foods and high-fat animal products, which can be sources of certain POPs, and maintain a healthy weight to minimize the reservoir for these metabolic disruptors.

The protective association of glucosamine against all-cause mortality is significantly stronger in current smokers compared to non-current smokers.

If you smoke and take glucosamine, this study suggests you might derive a greater mortality benefit than non-smokers, possibly because your body has higher inflammation to counteract. However, quitting smoking remains the most effective way to reduce mortality risk.

Frying foods in polyunsaturated fatty acid (PUFA)-rich oils at high temperatures generates cytotoxic and genotoxic lipid oxidation products (LOPs), specifically α,β-unsaturated aldehydes, which significantly increase the risk of chronic non-communicable diseases including cardiovascular disease and cancer.

Avoid frying foods in oils high in polyunsaturated fats (like sunflower, corn, or soybean oil) at high temperatures. These oils break down into toxic aldehydes that increase cancer and heart disease risk. If you must fry, use oils high in saturated or monounsaturated fats (like coconut oil, butter, or avocado oil) as they are more resistant to oxidation, or limit consumption of deep-fried foods.

The concentration of toxic aldehydes (such as trans-2-alkenals and trans,trans-alka-2,4-dienals) in commercially available fried potato chips often exceeds recommended maximum daily intake limits for specific aldehydes like acrolein, posing a significant toxicological risk.

Be aware that fast-food potato chips can contain aldehyde levels exceeding safety guidelines for specific toxins like acrolein. This risk is often higher than the regulated risk of acrylamide. Limiting consumption of deep-fried fast food is the most effective way to reduce exposure to these specific toxins.

Broader access to antiobesity medications (AOM) generates substantial societal value through reduced comorbidities, increased productivity, and improved quality of life, despite current low uptake rates.

For policymakers and payers, expanding access to AOM is a high-value investment. The study shows that increasing uptake to 15-30% among eligible adults generates trillions in societal value through reduced healthcare costs, fewer comorbidities, and better productivity. This supports policy changes to remove barriers to AOM access.

Leucine-enriched whey protein supplementation (20g whey + 3g leucine) post-exercise does not provide additional benefits for sarcopenia, muscle mass, or myokine concentrations compared to resistance training alone in post-hospitalized older adults over 12 weeks.

You do not need to buy leucine-enriched protein supplements to support your resistance training. The study shows that taking 20g of whey protein with 3g of leucine after training did not improve muscle mass or sarcopenia outcomes more than training alone. Save your money and focus on consistent training.

High-fructose corn syrup intake impairs insulin response in the skeletal muscle vasculature and contributes to insulin resistance.

Reduce intake of high-fructose corn syrup found in processed foods and sugary drinks. While clinical trials are still clarifying the exact cardiovascular risk, evidence suggests that high fructose intake directly impairs how your blood vessels respond to insulin.

Oral superabsorbent hydrogel (OSH) administration prevents diet-induced obesity and metabolic syndrome in mice by preserving gut barrier integrity and expanding Akkermansia muciniphila.

This research suggests that a specific type of hydrogel, when taken with meals, may help prevent weight gain and metabolic issues by protecting the gut lining and encouraging the growth of beneficial bacteria (A. muciniphila). While promising in mice, this is not yet a proven human therapy. Focus on proven methods like diet and exercise for now.

OSH administration expands Akkermansia muciniphila abundance in the gut microbiota, which is associated with improved metabolic health.

This study shows that OSH can increase the levels of Akkermansia muciniphila, a bacterium linked to better metabolic health, in mice. This is a promising area of research, but it is not yet a proven strategy for humans.

The Elipse swallowable intragastric balloon does not produce clinically significant weight loss or diabetes control in patients with obesity class 1-2 and type 2 diabetes when used in a real-world setting with standard nutritional follow-up.

If you have obesity and type 2 diabetes, this specific swallowable balloon is not a reliable standalone solution for significant weight loss in a standard healthcare setting. It resulted in only ~4% weight loss at 16 weeks, which is minimal compared to surgical options. It may be considered only if you strictly adhere to intensive dietary counseling and accept modest results, but it is not a substitute for more effective interventions.

Chronic inflammation in RA and PsA contributes to increased CVD risk, but the prevalence of Metabolic Syndrome (MetS) alone may not fully account for this risk, particularly in RA where MetS prevalence is similar to the general population.

Having RA or PsA increases your CVD risk beyond just traditional factors like blood pressure or cholesterol. This is partly due to chronic inflammation. Therefore, comprehensive care should address both metabolic risks (like MetS components) and inflammatory control, not just one or the other.

Peak week strategies in non-drug-free bodybuilders, including supraphysiological anabolic steroid use, diuretics, and severe caloric/water restriction, fail to prevent significant losses in lean mass markers and resting metabolic rate.

If you are preparing for a physique competition using performance-enhancing drugs and extreme peak week strategies, be aware that these methods often fail to preserve lean muscle mass and metabolic rate. The combination of high-volume cardio, severe caloric restriction, and polypharmacy can lead to significant muscle loss despite the use of steroids. Individualize your protocol rather than copying a single coach's 'one-size-fits-all' approach, and prioritize muscle preservation over extreme dehydration tactics.

Systems-oriented functional profiling (phenotypic/omics) and chemical fingerprinting of phytochemicals provide a more rational basis for evaluating plant-derived T2D pharmacotherapies than traditional target-centric approaches.

For those interested in plant-based approaches to diabetes, the scientific community is moving towards understanding how whole plant extracts work through multiple pathways rather than just one. This suggests that standardized, well-analyzed botanical preparations may offer benefits that single-molecule drugs do not, particularly in addressing the complex, multi-factorial nature of Type 2 Diabetes.

Access to semaglutide 2.4 mg is significantly hindered by national shortages, high costs, and insurance coverage issues.

Secure insurance coverage early. Be aware of potential shortages and costs. Utilize patient assistance programs if out-of-pocket costs are prohibitive.

Endoscopic sleeve gastroplasty (ESG) demonstrates a high safety profile with a serious adverse event (SAE) rate of 1.8%, significantly lower than laparoscopic sleeve gastrectomy (LSG), making it a preferred option for patients prioritizing safety over maximum weight loss efficacy.

If you are struggling with obesity (BMI 30-40) and have tried diet and exercise without success, ESG offers a middle ground between non-surgical methods and invasive surgery. It involves stitching the stomach to create a sleeve, which restricts food intake. The main benefit is safety: serious complications occur in less than 2% of cases, which is lower than traditional laparoscopic surgery. Expect a hospital stay of 2-3 days and an average procedure time of 55 minutes. While you may not lose as much weight as with invasive surgery, the risk profile is significantly more favorable.

TCF7L2 and ADRB2 polymorphisms do not significantly influence total body weight changes in patients undergoing diet or metformin therapy.

While your genetics (TCF7L2 and ADRB2) may influence where you lose fat or how your body shape changes, they do not appear to affect your total body weight during diet or metformin therapy. Focus on body composition rather than just the scale.

Humans have evolved anatomical and physiological adaptations (elongated small intestine, reduced colon) that exacerbate the decoupling of host and microbial nutrient status compared to other primates.

Your anatomy is optimized for high-digestibility foods. To support your gut microbiome, you must consciously introduce low-digestibility fibers that your anatomy doesn't naturally prioritize, as your evolved gut structure favors rapid absorption over microbial fermentation.

Dysbiosis (specifically reduced SCFA-producing bacteria and increased pro-inflammatory taxa) contributes to the pathogenesis of Type 2 Diabetes through mechanisms involving gut permeability, LPS-driven inflammation, and impaired insulin signaling.

Maintaining gut health through a fiber-rich diet may help manage blood sugar levels by reducing inflammation and improving insulin sensitivity. This is particularly relevant for those with or at risk for Type 2 Diabetes.

Training to failure does not produce a repeated bout effect (RBE) that mitigates longitudinal fatigue or recovery differences over an 8-week period.

Training to failure does not seem to 'protect' you from future fatigue or soreness over time. If you choose to train to failure, expect similar fatigue levels to submaximal training in the long run, but potentially lower strength gains.

Proximity to failure does not significantly influence muscle hypertrophy, as hypertrophy outcomes were similar across all training groups despite differences in strength.

You do not need to train to failure to build muscle. This study found no clear difference in muscle growth between training close to failure and stopping well before failure. Focus on consistent volume and progressive overload rather than grinding out reps to failure.

Orlistat is generally not recommended for people living with HIV on combined antiretroviral therapy (cART) due to the risk of reduced absorption of antiretroviral drugs and subsequent loss of viral control.

Do not take Orlistat if you are on HIV medication without explicit approval from your doctor. It can block the absorption of your HIV drugs, causing your viral load to rise. There are safer alternatives available.

Modifying structural and social determinants of health (SDOH), such as housing and economic stability, is a necessary lever for achieving health equity in obesity treatment, as individual-level interventions alone fail to address root causes of disparities.

To improve obesity outcomes for marginalized groups, interventions must go beyond diet and exercise advice. They need to address structural barriers like housing stability and income. Policy changes and community-level investments are essential to create equitable opportunities for health.

The Australian Recommended Food Score (ARFS), a measure of overall dietary quality, is not associated with any sarcopenia components (muscle strength, lean mass, or physical performance) in older adults.

Don't just focus on 'eating healthy' in a general sense. This study suggests that general diet quality scores don't predict muscle mass. Instead, focus on ensuring you are getting enough protein and total energy, especially if you are exercising.

Acute ingestion of 2.5g betaine prior to resistance exercise does not improve muscular endurance or total training volume in trained men.

Taking 2.5g of betaine one hour before your workout will not increase the number of reps you can perform or the total weight you lift in that session. If you want to try betaine, you likely need to take it daily for at least 10 days to allow muscle tissue saturation, rather than relying on a single pre-workout dose.