Browse the evidence

SGLT-2 inhibitors reduce ectopic fat deposition, specifically liver fat (NAFLD) and visceral adipose tissue, in patients with T2DM.

SGLT-2 inhibitors not only lower blood sugar but also directly reduce fat stored in the liver and around organs. This is particularly beneficial if you have fatty liver disease, a common complication of Type 2 Diabetes.

Initial weight loss achieved through commercial or standard care interventions is poorly maintained during a subsequent year of no intervention, with significant weight regain occurring in both groups.

If you lose weight through a program, expect to regain some of it once the program ends unless you have a specific maintenance plan. The study shows that even successful weight loss is often not sustained after 12 months without ongoing support. Focus on developing long-term maintenance skills rather than just relying on the initial weight loss phase.

Higher habitual physical activity (measured as Physical Activity Level, PAL) is associated with significantly higher fat-free mass (FFM) during growth (under 18 years) and in early adulthood, but this positive association diminishes and is counteracted by aging in older adults.

Stay physically active throughout your life to maximize your muscle mass. The biggest benefits for building fat-free mass occur during growth and early adulthood (up to age 30). In older age, exercise won't fully stop muscle loss, but active individuals still retain significantly more muscle than sedentary peers, which helps maintain independence and functional capacity.

Higher-quality protein sources lead to greater strength gains during resistance exercise training, but do not significantly increase lean body mass (LBM) compared to lower-quality proteins.

When doing resistance training, choosing high-quality protein (like whey or meat) may help you get stronger, but it won't necessarily make you bigger than if you ate lower-quality protein (like soy or wheat), as long as you eat enough total protein. Don't overspend on 'premium' protein if your total intake is adequate.

South Asian ethnicity is associated with a significantly higher risk of developing Type 2 Diabetes (T2D) and insulin resistance compared to White populations, driven by distinct metabolic signatures including elevated branched-chain amino acids (BCAAs) and altered lipid metabolism.

If you are of South Asian descent, your risk for Type 2 Diabetes is statistically higher than that of White populations, often manifesting at lower BMIs. This is linked to how your body metabolizes amino acids and fats. Focus on monitoring metabolic markers like fasting glucose and insulin sensitivity, and consider dietary patterns that manage carbohydrate intake and support healthy lipid metabolism, as personalized strategies based on these metabolic insights are more effective than generic advice.

Elevated levels of Branched-Chain Amino Acids (BCAAs) such as leucine, isoleucine, and valine are predictive markers for Type 2 Diabetes risk across multiple ethnic groups, with specific associations to insulin resistance.

High levels of circulating BCAAs (leucine, isoleucine, valine) are a strong predictor of Type 2 Diabetes risk, even in people with normal blood sugar. This suggests that how your body processes amino acids is key. If you have risk factors, focus on metabolic health through balanced nutrition and exercise rather than just high-protein supplementation, as elevated BCAAs may indicate underlying insulin resistance.

Dietary resistant starch (5.9% energy) independently attenuates weight regain and preserves lean mass during relapse to obesity on a high-fat diet.

To help prevent weight regain after weight loss, incorporate foods high in resistant starch (like cooled potatoes, rice, or green bananas) into your daily diet. This specific type of starch appears to help reduce the biological drive to overeat and preserve muscle mass during periods where you might be eating a higher-fat diet.

Exercise cessation during weight regain leads to increased fat mass, larger adipocytes, and decreased lean mass, negating the benefits of prior exercise.

If you have to stop exercising, be aware that your body may quickly regain fat and lose muscle. Combining this period with a diet high in resistant starch may help mitigate these negative effects.

Weight loss interventions, including bariatric surgery and dietary changes, reduce the risk of ventricular arrhythmias and sudden cardiac death in obese patients by correcting electrophysiological abnormalities.

Losing weight through diet or surgery is a powerful way to protect your heart from dangerous rhythms. It doesn't just change your appearance; it physically corrects the electrical signals in your heart (shortening the QT interval) and reduces the metabolic stress that triggers arrhythmias. Discuss weight management strategies with your cardiologist.

Visceral obesity and metabolic syndrome increase the risk of esophageal adenocarcinoma (EAC) through both GERD-dependent mechanisms (increased acid exposure) and GERD-independent mechanisms (systemic inflammation, adipokine signaling, and microbiome alterations).

Maintain a healthy waist circumference and manage metabolic health markers (blood pressure, blood sugar, lipids) to reduce the risk of esophageal adenocarcinoma. This involves addressing visceral fat through diet and exercise, as it impacts cancer risk through both acid reflux and systemic inflammation.

Roux-en-Y gastric bypass (RYGB) surgery is the most cost-effective intervention for adults with severe obesity (BMI ≥ 35 kg/m2) compared to non-surgical weight management programs, primarily due to superior long-term weight loss and reduced incidence of obesity-related diseases.

For individuals with severe obesity (BMI ≥ 35), bariatric surgery (specifically RYGB) offers the best long-term health and economic value compared to diet and lifestyle programs alone. While surgery has high upfront costs and requires lifelong medical follow-up, it significantly reduces the risk of serious diseases like diabetes and heart disease, leading to more quality-adjusted life years. If surgery is not an option, a standard 12-week behavioral weight management program is the next most cost-effective choice, but adding very low-calorie diets to standard programs is not cost-effective.

A standard 12-week low-intensity behavioral weight management program (WMP1) is the next most cost-effective intervention after RYGB surgery for adults with severe obesity.

For patients with severe obesity who cannot or choose not to have surgery, a standard 12-week behavioral weight management program is the most cost-effective non-surgical option. This program involves weekly group sessions focusing on diet and physical activity advice. It offers good value for money and can be delivered at scale.

Resistance training to failure and non-failure have equivalent effects on sleep quality (subjective and actigraphic) and heart rate variability (HRV) during sleep.

You don't need to worry that training to failure will ruin your sleep. Both failure and non-failure training resulted in similar sleep quality and heart rate variability. Focus on managing your strength recovery instead.

In typical human diets, variations in non-macronutrient content (water and fiber) have a significantly larger effect on dietary energy density than variations in macronutrient composition (specifically % energy from fat).

To lower the energy density of your diet, prioritize foods high in water and fiber (vegetables, fruits, soups) rather than just focusing on reducing fat. The paper demonstrates that changing the water/fiber content has a 4-7 times larger impact on energy density than changing the fat content in typical diets.

Baseline levels of fibroblast growth factor 21 (FGF-21) significantly predict the magnitude of weight loss during the first three months of dietary intervention, whereas other inflammatory and cardiovascular biomarkers do not.

Current blood tests for inflammatory or cardiovascular proteins cannot tell you which diet (low-fat or low-carb) will work best for you. The only protein that showed predictive power for weight loss magnitude was FGF-21, but even that has limited utility for individualized advice. Focus on adherence to a sustainable dietary pattern rather than seeking a predictive blood test.

Weight loss interventions lead to significant changes in the plasma levels of 130 inflammatory and cardiovascular proteins, with most decreasing alongside BMI reduction.

Losing weight significantly alters your body's inflammatory and cardiovascular protein profile. This confirms that weight loss has systemic biological benefits beyond just size reduction, improving metabolic health markers.

Performing resistance training before high-intensity interval training (RT+HIIT) in same-day concurrent sessions attenuates lower-body power development (countermovement jump displacement, force, and power) compared to resistance-only training, whereas aerobic fitness and strength gains remain comparable.

If you train resistance and cardio on the same day and care about explosive power (like jumping or sprinting), do your weights first. Doing cardio first will blunt your power gains, even if your strength and endurance improve normally. Keep the gap between sessions to at least 3 hours if possible.

Performing high-intensity interval training (HIIT) before resistance training (HIIT+RT) does not attenuate lower-body maximal strength or lean mass gains compared to resistance-only training, making it a viable strategy for concurrent training.

If you must do cardio and weights on the same day, doing cardio first won't hurt your strength or muscle growth, provided you wait about 3 hours between sessions. You can still get strong and build muscle.

Long-term bariatric surgery (≥5 years) significantly reduces the incidence of macrovascular complications, cardiovascular events, and myocardial infarction in severely obese patients with type 2 diabetes compared to conventional medical therapy.

For severely obese individuals with Type 2 Diabetes, bariatric surgery offers significant long-term protection against heart attacks, strokes, and other cardiovascular complications compared to standard medical treatment alone. This benefit persists for at least five years post-surgery. While surgery is a major intervention, the data supports its use for reducing major cardiovascular risks in this specific population.

Semaglutide therapy significantly reduces systemic inflammation, as measured by C-reactive protein (CRP) levels, compared to placebo or other glucose-lowering drugs, regardless of whether the patient has type 2 diabetes or obesity without diabetes.

If you are taking semaglutide for diabetes or weight management, you can expect it to lower your systemic inflammation (measured by CRP). This benefit occurs whether you take the pill or the injection, and whether or not you have diabetes. This anti-inflammatory effect is likely a key reason why semaglutide reduces heart disease risk.

Protein hydrolysates may induce a more potent insulinotropic effect (higher insulin response) than intact proteins, although this does not necessarily translate to greater muscle protein synthesis.

Hydrolysates might spike your insulin more than regular protein, but this doesn't mean you build more muscle. Insulin helps inhibit muscle breakdown, but since MPS is the same, the extra insulin spike is likely unnecessary for most people.

High-carbohydrate, high-fiber diets (60-70% carbs) are effective and acceptable for managing Type 2 Diabetes in Indian populations, refuting the necessity of strict carbohydrate restriction.

Focus on your traditional Indian staples like dal, whole grains, and vegetables. Aim for 60-70% of your calories from these high-fiber carbohydrates, keep protein moderate (10-15%), and limit fats (10%). This approach is culturally acceptable and clinically effective for controlling blood sugar.

High molecular weight (HMW) adiponectin levels are inversely associated with insulin resistance (HOMA-IR), and this protective relationship is significantly stronger in Aboriginal, Chinese, and South Asian populations compared to European populations.

If you are of Aboriginal, Chinese, or South Asian descent, your body's sensitivity to HMW adiponectin—a hormone that improves insulin sensitivity—may differ from Europeans. Specifically, lower levels of this hormone may have a more pronounced negative impact on your insulin resistance. While you cannot change your ethnicity, focusing on maintaining healthy visceral fat levels through diet and exercise is critical, as adiponectin levels are inversely related to adiposity.

Randomizing exercise selection and repetition ranges session-by-session in resistance-trained men significantly increases intrinsic motivation compared to fixed exercise protocols, while producing equivalent gains in muscle thickness and maximal strength.

If you are a trained lifter struggling with motivation or adherence, try randomizing your exercise selection and rep ranges using an app or randomizer, keeping volume and intensity (failure) constant. This will likely boost your enjoyment and consistency without costing you any strength or muscle gains compared to sticking to a fixed routine. If your goal is purely maximal strength or hypertrophy and you enjoy your routine, you do not need to vary exercises to see results.