Browse the evidence

Adherence to a Mediterranean diet reduces the risk of developing abdominal obesity (increased waist circumference) in normal weight individuals, driven primarily by low red meat intake and high vegetable consumption.

To prevent belly fat accumulation, focus on the entire Mediterranean pattern: eat plenty of vegetables, limit red meat and sugary drinks, and choose whole grains. Simply adding 'healthy' fats without addressing other dietary components may not provide the same protection against abdominal obesity.

High adherence to a personalized dietary program significantly reduces LDL cholesterol and apolipoprotein B, whereas standard dietary advice does not, suggesting personalization may be necessary for lipid management in certain individuals.

If you have high cholesterol, a personalized diet that accounts for your specific biological response to food may be more effective at lowering LDL and ApoB than standard guidelines, provided you adhere closely to the personalized advice.

A personalized dietary program favorably shifts gut microbiome composition, increasing the relative abundance of species associated with favorable cardiometabolic health, compared to standard dietary advice.

A personalized diet that considers your biological response to food may be more effective at improving your gut microbiome composition, specifically by increasing beneficial species, compared to standard dietary guidelines.

High consumption of ultra-processed foods (UPF) is causally associated with increased risk of obesity, type-2 diabetes, cardiovascular disease, and all-cause mortality, primarily through mechanisms of energy density, nutrient displacement, and gut microbiome alteration.

Prioritize minimally processed foods over ultra-processed options. The degree of processing itself contributes to weight gain and disease risk, independent of calorie counts. Focus on whole grains, vegetables, and unprocessed proteins to reduce exposure to additives, high sodium, and low fiber.

Resistance training produces comparable muscle hypertrophy across a wide spectrum of loading zones (heavy, moderate, and light loads) provided sets are performed to or near muscular failure.

You do not need to stick to a specific rep range like 8-12 to build muscle. You can use heavy weights (fewer reps) or light weights (more reps) as long as you perform your sets close to failure. Moderate loads (9-15 reps) are recommended as a practical default because they are time-efficient and easier on your joints, but varying your load can be beneficial.

Time-efficient strength training can be achieved by prioritizing bilateral, multi-joint exercises with a minimum of 4 weekly sets per muscle group using a 6–15 RM loading range.

To save time while building strength and muscle, focus on compound exercises like squats, presses, and rows. Aim for at least 4 sets per muscle group each week, using weights that allow 6-15 reps. You don't need to train every day; spreading these sets across 1-3 sessions is sufficient.

Twice-daily consumption of a multi-ingredient supplement containing 30g whey protein, 2.5g creatine, 500 IU vitamin D, 400mg calcium, and 1500mg n-3 PUFA stimulates significant gains in lean body mass and strength in healthy older men, independent of exercise.

For healthy older men, taking a specific mix of whey protein, creatine, vitamin D, calcium, and fish oil twice daily can build muscle and strength even without exercise. Adding resistance and high-intensity interval training on top of this supplement yields even greater strength gains. This approach addresses the high variability in how older adults respond to single nutrients.

Higher velocity loss (VL) thresholds during resistance training (typically >30-40%) are superior for inducing muscle hypertrophy, whereas lower VL thresholds (10-20%) are superior for optimizing power-related adaptations such as jumping, sprinting, and velocity against submaximal loads.

If your main goal is building muscle size, allow your bar speed to drop significantly (30-40% loss) by the end of your sets. If your main goal is jumping higher or sprinting faster, stop your sets earlier when your speed drops only a little (10-20%). Do not use high-velocity-loss sets for power exercises if you want to improve power, as the fatigue will hinder your performance gains.

Adherence to a dietary pattern high in chocolate, confectionery, butter, and low-fiber bread (and low in fruit/vegetables) is associated with a significantly increased risk of total and fatal cardiovascular disease and all-cause mortality.

Avoid combining high-fat, low-fiber foods (like butter on white bread, chocolate, confectionery) in your daily diet. This specific combination is strongly linked to higher risks of heart disease and early death. Prioritize fresh fruits, vegetables, and high-fiber cereals instead. If you consume these items, ensure they are part of a broader diet rich in fiber and plant foods to mitigate risk.

In-season Enhanced Negative Work-based Training (ENT) using a flywheel device significantly improves change of direction (COD) ability in semi-professional soccer players, whereas traditional weight training does not.

If you are a semi-professional soccer player in-season, adding one weekly session of flywheel-based eccentric training (focusing on controlled braking during squats) can significantly improve your change of direction speed. Traditional weight training at the same volume does not provide this specific benefit. Focus on controlling the descent phase of the squat to mimic the braking forces used in soccer.

Enhanced Negative Work-based Training (ENT) improves the hamstrings-to-quadriceps (H:Q) ratio in semi-professional soccer players, potentially reducing injury risk, while traditional weight training does not.

To reduce hamstring injury risk, incorporate flywheel-based eccentric training into your weekly routine. This specific type of training improves the balance between hamstring and quadriceps strength, which traditional weight training fails to do. This is particularly important during the competitive season.

Ingesting approximately 0.31 g/kg of high-quality, rapidly digested protein (e.g., whey) post-exercise maximizes myofibrillar muscle protein synthesis in young adults without inducing excessive amino acid oxidation.

If you are a young adult with average body composition, aim to consume about 0.31 grams of high-quality protein (like whey) per kilogram of your body weight in your post-workout meal. For example, if you weigh 70 kg, consume roughly 22 grams of protein. This amount maximizes muscle building signals without wasting protein through oxidation. You do not need to consume massive amounts (like 40g+) to get extra benefits for muscle synthesis.

Peri-exercise protein supplementation (specifically post-workout) optimizes physical performance and recovery in resistance and endurance training, provided total daily protein and caloric intake are adequate.

Ensure you are eating enough protein (1.4-1.6g/kg) and calories every day. After your workout, consume 20-40g of protein (whey or similar) within an hour. This helps your muscles recover faster and perform better in your next session, especially if you train multiple times a day or compete.

High loads (>60% 1RM) are superior to low loads for maximizing strength gains, while both high and low loads can produce similar hypertrophy if performed to failure.

To build strength, prioritize heavy loads (>60% 1RM). To build muscle, you can use either heavy or light loads, provided you take your sets close to failure. Light loads are a viable option for joint health or accessibility without sacrificing muscle growth.

Full range of motion (ROM) produces greater strength gains in full ROM tasks and greater hypertrophy in specific muscles (e.g., gluteus maximus) compared to partial ROM, although partial ROM can be used to overcome sticking points.

Prioritize full range of motion for your main exercises to maximize strength and muscle growth. Use partial ROM strategically to target weak points (sticking points) or to reduce joint stress, but do not replace full ROM with partial ROM as your primary strategy.

Resistance exercise-induced muscle hypertrophy is load-dependent, with high-load (80% 1RM) training producing greater hypertrophy than low-load (30% 1RM) training when sets are performed to volitional failure.

To maximize muscle growth, prioritize heavier weights (around 80% of your one-rep max). If you must use lighter weights (30% of 1RM), you must take every set to absolute muscular failure to achieve similar, though likely slightly lesser, hypertrophy compared to heavy loads. Failure is the key equalizer for low loads.

Periodized resistance training (linear or undulating) is superior to non-periodized training for enhancing maximal strength, with undulating models potentially offering greater benefits for leg press strength.

If your goal is maximum strength, do not stick to the same weights and reps forever. Use a periodized plan (either linear or undulating) that changes your training variables over time. This approach is consistently shown to produce better strength gains than non-periodized training, regardless of your experience level.

Achieving remission from type 2 diabetes through lifestyle intervention significantly reduces the long-term incidence of chronic kidney disease and cardiovascular disease compared to maintaining active diabetes.

Achieving remission from type 2 diabetes through intensive lifestyle changes—specifically significant weight loss, improved diet, and increased physical activity—substantially lowers your risk of developing kidney disease and heart problems over the long term. You do not need to maintain remission forever to gain these benefits; even short periods of remission are associated with significantly better health outcomes compared to staying in active diabetes.

Combining aerobic exercise with a prudent diet significantly reduces total cholesterol, LDL cholesterol, and triglycerides in adults, but does not significantly increase HDL cholesterol.

To improve your cholesterol profile, you need to do both: move your body aerobically (walking, jogging, cycling) 2-5 times a week at a moderate-to-vigorous intensity, AND eat a diet low in saturated fats and cholesterol while ensuring you get enough fiber. Do this for at least 3 months. Note: While this combination lowers 'bad' cholesterol (LDL) and triglycerides, it may not raise 'good' cholesterol (HDL), so focus on the overall risk reduction rather than just HDL numbers.

Losing 5% or more of body weight within the first year following a type 2 diabetes diagnosis significantly reduces the 10-year risk of cardiovascular disease events compared to maintaining weight.

If you were recently diagnosed with type 2 diabetes, aim to lose at least 5% of your body weight in the first year. This moderate loss is linked to a significantly lower risk of heart disease and stroke over the next decade. You don't need extreme measures; focusing on small, sustainable changes to your diet and activity levels can yield major long-term heart benefits.

Lower load resistance training (loads < 50% 1RM) induces similar or superior muscle hypertrophy and strength adaptations compared to traditional higher load training (loads > 70% 1RM), provided the lower load sets are performed in close proximity to concentric failure.

To build muscle and strength without heavy weights, use loads between 30-50% of your one-rep max. Perform 2-3 sets of 3-4 exercises, 2-3 times a week. The key is effort: you must perform reps until you can barely complete another one (concentric failure) or are within 3-5 reps of that point. This approach is as effective as heavy lifting for most people and is easier on your joints.

SGLT-2 inhibitors reduce body weight and visceral adiposity in Asian patients with type 2 diabetes, making them a preferred therapeutic option for overweight or obese patients.

If you have Type 2 Diabetes and are overweight, ask your doctor about SGLT-2 inhibitors (like Jardiance, Farxiga, or Invokana). Unlike older diabetes meds that often cause weight gain, these drugs help you lose weight and reduce belly fat while managing your blood sugar.

Resistance training to failure causes significant strength decrements (7-11%) 24 hours post-exercise, whereas training to non-failure (2 reps in reserve) preserves strength performance.

If you train to failure, expect your strength to drop by 7-11% the next day. If you want to maintain strength or train more frequently, stop 2 reps before failure. This doesn't mean failure training is 'bad', but it costs you more recovery time.

Combining SGLT2 inhibitors with GLP-1 receptor agonists results in greater weight loss and HbA1c reduction than using either drug alone.

If one medication isn't enough to control your blood sugar and weight, ask about combining an SGLT2 inhibitor with a GLP-1 agonist. Studies show this combo leads to more weight loss (around 3.4 kg in trials) and better blood sugar control than using either drug alone.