Browse the evidence

Regular physical activity reduces the incidence of type 2 diabetes by improving insulin sensitivity and glucose uptake.

To prevent or manage type 2 diabetes, aim for at least 150 minutes of moderate exercise like brisk walking or biking each week. This can reduce your risk of developing diabetes by up to 40%. Combine this with a healthy diet and a goal of losing 7% of your body weight for the best results.

Regular physical activity reduces the risk of breast, colon, and prostate cancers and improves survival rates for these patients.

If you have breast, colon, or prostate cancer, regular physical activity can help reduce your risk of recurrence and improve your survival rates. It is safe during and after treatment and can help manage fatigue and improve your quality of life. Consult your oncology team for a personalized exercise plan.

Moderate (~10%) weight loss achieved through diet and exercise reduces pro-inflammatory M1-like macrophages in abdominal subcutaneous adipose tissue (SAT) in adults with adult-onset obesity (AO), but fails to alter these immune cell profiles in those with childhood-onset obesity (CO).

If you developed obesity as an adult, moderate weight loss (around 10%) through diet and exercise may help reduce inflammation in your abdominal fat. However, if you have been obese since childhood, the same level of weight loss might not change the inflammatory state of your fat tissue, even if you lose weight and improve blood markers like insulin. This suggests that long-term obesity history creates a 'memory' in fat tissue that is harder to reverse with standard lifestyle changes alone.

Moderate weight loss increases CD3+CD4+ T cells in both abdominal and femoral subcutaneous adipose tissue in adults with adult-onset obesity (AO), but not in those with childhood-onset obesity (CO).

If you developed obesity as an adult, moderate weight loss may trigger an increase in CD4+ T cells in your fat tissue, which could include regulatory T cells that help manage inflammation. If you have been obese since childhood, this specific immune shift may not occur with the same degree of weight loss. This highlights that long-term obesity history creates a 'memory' in fat tissue that is harder to reverse with standard lifestyle changes alone.

Moderate (~10%) weight loss improves systemic cardiometabolic risk factors (plasma insulin and arterial stiffness) similarly in both childhood-onset (CO) and adult-onset obesity (AO) populations.

Losing about 10% of your body weight through diet and exercise significantly improves your blood vessel health (arterial stiffness) and insulin sensitivity, regardless of whether you became obese as a child or as an adult. This is a robust benefit of weight loss that applies to everyone with obesity.

Post-operative nutritional counseling has a lasting 'eye-opening' effect on patient habits, reducing the perceived need for further nutritional education compared to other support areas.

Take the initial nutritional counseling before your surgery seriously. For most patients, this 'eye-opening' session provides enough knowledge to manage diet long-term without needing constant follow-up. Focus your energy on the physical activity aspect, where ongoing support is more critical.

A behavioral weight loss maintenance intervention provides a clinically meaningful but statistically non-significant weight advantage (approx. 3 kg) over usual care for up to two years after the active intervention period ends.

This study suggests that learning weight maintenance skills during a structured program can help you keep weight off for at least two years after the program ends, even if you stop seeing the coach. While the statistical proof isn't perfect due to real-world data variability, the average benefit was about 3kg (6.6 lbs) compared to doing nothing. The key is transitioning from coach-led support to self-managed maintenance skills.

Dietary interventions that modulate gut microbiota composition (specifically increasing SCFA-producing bacteria and reducing dysbiosis) improve metabolic health outcomes including insulin sensitivity and glucose tolerance.

To improve your metabolic health, focus on dietary patterns that support a diverse gut microbiome. This means consuming a variety of plant fibers (prebiotics) to encourage the growth of beneficial bacteria that produce short-chain fatty acids (SCFAs). These SCFAs help regulate blood sugar and insulin sensitivity. Avoid highly processed foods that can cause dysbiosis (microbial imbalance) and inflammation.

High-fat diets induce gut barrier defects and metabolic endotoxemia (elevated LPS), which triggers low-grade inflammation and compromises insulin sensitivity.

Reducing chronic high-fat intake can help maintain gut barrier integrity, preventing the leakage of inflammatory bacterial components (LPS) into the bloodstream, which may improve insulin sensitivity.

High polygenic risk for obesity interacts with specific nutrient intakes (particularly saturated fat and trans fat) to accentuate BMI increases, whereas omega-3 intake may attenuate this genetic susceptibility.

If you have a high genetic risk for obesity, the quality of fat you eat matters more than you might think. Prioritize omega-3 fatty acids and minimize trans fats and saturated fats, as these nutrients can significantly blunt the BMI-increasing effects of your genetic predisposition. Total fat quantity alone is less predictive than fat type.

The Paleo diet is associated with the longest average adherence duration (5.32 weeks) and the lowest dropout rate during the winter holiday season (14% in December) among New Year's resolution dieters, compared to other popular diets like South Beach.

If you are starting a diet in January, choose one that allows you to eat a wide variety of foods, including energy-dense options, to increase your chances of sticking with it through the holidays. The Paleo diet showed the best adherence in this study, likely because it does not require eliminating entire food groups like grains or dairy, making it easier to navigate social events and holiday meals without feeling deprived.

Ketogenic diet is effective for short-term weight loss in obese individuals by shifting energy metabolism to ketone bodies.

To lose weight using a ketogenic diet, restrict carbohydrates to under 50 grams per day while consuming high fat and adequate protein. This shifts your body to burn ketones for energy. Be aware that strict versions can be hard to taste and sustain long-term, so consider phased approaches like VLCKD with careful monitoring.

A clinical decision support system (CDSS) that integrates patient-centered pre-visit questionnaires with provider alerts significantly increases primary care practitioners' self-reported frequency of counseling on behavioral interventions, referring to weight-loss programs, and discussing anti-obesity medications.

For primary care providers, using a clinical decision support system that allows patients to complete a pre-visit questionnaire about their weight management interest can significantly increase the likelihood of you counseling on behavioral changes, referring patients to weight-loss programs, and discussing anti-obesity medications. This approach works by reducing the friction of initiating these conversations and integrating seamlessly into your electronic health record workflow.

Commonly consumed South Indian breakfast meals are high in available carbohydrates (ranging from 49.6% to 71.8% on a dry basis), which contributes significantly to daily energy intake and potential weight gain if consumed in excess.

If you eat South Indian breakfasts like dosa, idly, or vada, know that they are high in carbohydrates. To manage your weight, be mindful of portion sizes and balance these meals with lower-carb options later in the day, as excess carbohydrates contribute to weight gain.

High carbohydrate intake (61% of energy) is associated with lower total mortality and cardiovascular events compared to high fat intake (23.5% of energy).

Focus on the quality of your diet rather than just cutting fat. The PURE study suggests that a diet with higher carbohydrates and lower fat (as traditionally practiced in many parts of the world) may be associated with better health outcomes than high-fat diets. However, this does not mean you should consume excessive amounts of refined sugars or processed foods. Instead, prioritize whole food sources of carbohydrates and healthy fats.

Autoregulated single repetition sets at RPE 9-9.5 may minimize training time but are less likely to produce meaningful strength gains compared to the standard METD protocol.

If you are extremely time-crunched, you can try doing just one heavy single at RPE 9-9.5 per session. However, be aware that this method is less effective for building strength. To get better results with minimal extra time, add 2-3 'back-off' sets at 80% of your single's weight.

High-volume static stretching (≥15 minutes per muscle group, >3 times per week) induces muscle hypertrophy and strength increases comparable to resistance training, primarily by generating high-magnitude mechanical tension that activates mTOR/p70S6K signaling pathways.

If you cannot lift weights due to injury, age, or lack of equipment, perform static stretches for at least 15 minutes per muscle group, 3 or more times a week. Push to the point of discomfort (but not sharp pain). This can build muscle and strength similarly to weightlifting, though it takes longer per session. It is particularly useful for immobilized patients or as a supplement to your regular workouts.

High-volume static stretching improves glycemic control (post-prandial glucose and HbA1c) in individuals with Type 2 Diabetes, potentially by increasing GLUT-4 translocation via AMPK and CaMK pathways.

If you have Type 2 Diabetes, incorporating static stretching into your routine may help lower blood sugar levels, especially after meals. It works by helping your muscles take up glucose without needing as much insulin. It is not a replacement for medication but a helpful addition.

Inter-set palm or sole cooling (10-15°C for 1-3 minutes) may acutely enhance resistance training volume capacity and maximal strength, though evidence is mixed and methodologically limited.

If you want to try inter-set cooling, use 10-15°C cooling on your palms (for upper body) or soles (for lower body) for 1-3 minutes between sets. You can use cold water buckets or ice packs. Be aware that results are inconsistent; some people may see increased volume or strength, while others see no change. It is not a guaranteed performance enhancer, but it is low-risk and may help some individuals tolerate more volume.

Training with 4-6 or 1-3 repetitions in reserve (RIR) yields comparable strength gains, whereas training to momentary failure (0 RIR) or near-failure (0-3 RIR) results in slightly inferior strength outcomes in trained men.

For strength gains, you do not need to train to failure. Stopping sets with 1-3 reps left in the tank (RIR) produces similar or better strength results than going to failure. Training to failure may actually hinder strength progress due to excessive fatigue and reduced recovery capacity. Focus on maintaining bar speed and consistency rather than absolute exhaustion.

Training sets to submaximal proximities of failure (4-6 RPE or 7-9 RPE) yields strength gains comparable to training with higher proximities, while training to momentary failure (10 RPE) may result in slightly inferior strength outcomes.

You do not need to train to failure to get strong. Training sets to 4-6 or 7-9 RPE (leaving 4-9 reps in reserve) produces strength gains similar to each other. Training to absolute failure (10 RPE) may actually hinder strength progress due to excessive fatigue. Focus on maintaining barbell velocity and managing recovery rather than grinding out every last rep.

Weight-neutral nutrition and exercise counseling can improve insulin sensitivity in patients with stage 1 obesity, as measured by the Quantitative Insulin Sensitivity Check Index (QUICKI).

If you have stage 1 obesity and metabolic issues, try focusing on improving diet quality (more fiber, less sodium, healthy fats) and increasing physical activity without stressing about the number on the scale. This approach can improve your insulin sensitivity for some people, even if you don't lose weight.

Metformin augmentation for non-responders to initial behavioral interventions provides a potential rescue effect but is associated with gastrointestinal side effects that challenge adherence.

If behavioral changes alone don't improve your insulin sensitivity, adding metformin might help, but be prepared for potential stomach issues. Starting with a low dose and using extended-release versions can help manage side effects.

Higher pre-diet daily gut microbiota plasticity predicts greater 12-month sustained weight loss specifically in individuals following a low-fat diet, but not a low-carb diet.

If you are following a low-fat diet, your gut microbiome's ability to change day-to-day (plasticity) before you start may predict your success. Men with higher pre-diet plasticity lost more weight and adhered better. Women did not show this correlation. For low-carb diets, pre-diet plasticity was not a predictor of success, though plasticity *during* the first 10 weeks was higher in successful users. Do not rely on static microbiome tests to predict success; focus on adherence.