Browse the evidence

Successful long-term weight loss maintenance is strongly predicted by high levels of physical activity (200-300 min/week) and behavioral strategies like self-monitoring, rather than just the amount of initial weight loss.

To maintain weight loss, aim for 200-300 minutes of moderate physical activity per week. This is a key trait of successful maintainers. Combine this with self-monitoring (weighing yourself, tracking food) and portion control. Remember, how much you lose initially doesn't predict long-term success; your ongoing behaviors do.

Sodium bicarbonate supplementation significantly enhances performance in high-intensity exercise lasting 45 seconds to 8 minutes, as well as muscle endurance and Wingate test power, with effect sizes ranging from small to large.

If you engage in high-intensity efforts lasting roughly 45 seconds to 8 minutes (like sprint intervals or rowing), sodium bicarbonate can improve your performance. While acute dosing (taken 2-3 hours before) works, multi-day protocols (taking small doses daily for 5-7 days before) may offer larger benefits with fewer stomach issues. Note that most evidence comes from men; results for women are not yet clear.

Incretin-based pharmacotherapies (GLP-1 and GIP/GLP-1 agonists) induce substantial weight loss (up to 20%) in obesity, which significantly reduces OSA severity and improves cardio-metabolic health outcomes more effectively than continuous positive airway pressure (CPAP) therapy.

If you have obesity-related sleep apnea, talk to your doctor about incretin-based medications (like semaglutide or tirzepatide). These drugs help you lose significant weight (often 15-20%) by regulating hormones that control hunger and digestion. This weight loss can reduce your sleep apnea severity and improve your heart health more effectively than CPAP alone. Be prepared for potential gastrointestinal side effects and understand that these medications are likely intended for long-term use to maintain results.

Significant weight loss (typically >15 kg or >15% of baseline weight) induced by dietary interventions (Very Low-Calorie Diets or Low-Carbohydrate Diets) is the strongest predictor of Type 2 Diabetes remission, regardless of the specific macronutrient composition.

To achieve diabetes remission through diet, the primary goal is significant weight loss (over 15kg). Whether you choose a very low-calorie diet or a low-carb diet, the magnitude of weight loss matters more than the specific type of diet. Medical supervision is recommended for very low-calorie diets.

Novel glucose-lowering agents, specifically GLP-1 receptor agonists (semaglutide) and dual GIP/GLP-1 agonists (tirzepatide), induce significant weight loss and glycemic improvement, with tirzepatide showing remission rates of 66-81% in clinical trials.

Newer injectable medications like Tirzepatide and Semaglutide are highly effective for diabetes remission, with remission rates up to 81% for Tirzepatide. They work by mimicking gut hormones to improve insulin function and promote weight loss. Discuss these options with your doctor if lifestyle changes alone are insufficient.

High-intensity interval training (HIIT) and sprint interval training (SIT) improve cardiorespiratory fitness and cardiometabolic risk factors in older adults with safety comparable to or better than moderate-intensity steady-state training, while requiring significantly less time.

Incorporate high-intensity intervals into your routine 2-3 times per week. You can use the '4x4' method (4 minutes of hard effort, 3 minutes of easy recovery, repeated 4 times) or 'Sprint Interval Training' (3 sets of 20-second all-out sprints with 2 minutes rest). These sessions take about 30 minutes total and have been shown to be safe and effective for improving heart health and fitness in older adults, often with better enjoyment than long, slow walks.

Effort-based resistance training using light to moderate loads taken to failure produces similar strength and muscle hypertrophy gains as heavy resistance training, making it safer and more accessible for older adults.

Perform resistance training twice a week using light to moderate weights, machines, or elastic bands. The key is not how much you lift, but how hard you push. Perform repetitions until you can no longer maintain good form (failure). This approach builds strength and muscle mass effectively without the risks associated with heavy lifting, and should be paired with higher protein intake (1.2-1.6g/kg bodyweight).

Female elite football players frequently exhibit low energy availability (EA <30 kcal/kg FFM/day) due to insufficient energy intake relative to expenditure, leading to hormonal disturbances, menstrual dysfunction, and increased risk of stress fractures.

Elite female footballers should monitor their energy intake to ensure it matches their high training loads. If energy availability drops below 30 kcal/kg of fat-free mass per day, it can disrupt hormones and increase injury risk. Focus on consuming enough calories, particularly carbohydrates, to support recovery and hormonal health rather than restricting intake.

Female elite football players should consume carbohydrates in the range of 7-10 g/kg body weight per day to optimize glycogen stores, with adjustments based on training load.

To perform well, female footballers need high carbohydrate intake, typically 7-10 grams per kilogram of body weight daily, especially during heavy training. Adjust this down to 3-6 g/kg on lighter days. Prioritize carbohydrate-rich foods like bread, rice, and fruits, and ensure you tolerate these amounts during training before using them in matches.

Protein intake for female elite football players should be optimized at 1.2-1.4 g/kg body weight per day, focusing on quality and distribution (e.g., 0.3 g/kg per meal) rather than supplementation.

Aim for 1.2-1.4 grams of protein per kilogram of body weight daily, spread across 4 meals (approx 0.3 g/kg per meal). Focus on high-quality sources like dairy, eggs, or meat to ensure complete amino acid profiles. Protein supplements are likely unnecessary if you eat enough whole foods.

Hypertrophy-type resistance training (3 sets of 8-12 reps, 3x/week for 16 weeks) significantly improves upper limb fatigue resistance (total repetitions at 80% 1RM) in both men and women, with no significant difference in adaptation magnitude between sexes.

Perform 3 days of resistance training per week, focusing on 3 sets of 8-12 reps per exercise. Increase the weight weekly as you complete more reps. This protocol will improve your ability to perform multiple sets of an exercise (fatigue resistance) regardless of whether you are male or female. Do not expect women to adapt faster than men; both sexes benefit similarly from this volume.

Replacing sugar-sweetened beverages with low-calorie sweeteners (LCS) reduces ad libitum energy intake and facilitates weight loss compared to sugar-sweetened beverages or water.

If you are trying to lose weight, replacing sugary sodas and juices with diet versions (sweetened with LCS) is an effective strategy. It reduces your daily calorie intake without necessarily making you hungrier. For best results, use LCS beverages as part of a broader plan that includes behavioral changes like tracking calories and portion control.

Glucagon-like peptide-1 receptor agonists (GLP-1RA) such as liraglutide and semaglutide induce significantly greater weight loss and reduce hepatic fat content compared to lifestyle modification and first-generation anti-obesity drugs.

If you have obesity, Type 2 Diabetes, or fatty liver disease (MASLD), GLP-1 receptor agonists like semaglutide or liraglutide are currently the most effective pharmacological treatments for weight loss, outperforming lifestyle changes alone and older weight-loss drugs. They work by targeting brain centers to reduce appetite and also directly reduce liver fat. While they can cause side effects like nausea, their ability to improve metabolic health and liver disease makes them a superior option for many patients, though adherence to the regimen is critical.

Whey protein supplementation (60g/day) combined with resistance exercise significantly increases muscle mass and selective muscular strength/endurance compared to placebo, even when total caloric and macronutrient intake from meals is strictly controlled.

If you are doing resistance training, adding 60g of whey protein daily (split into 3 doses) can help you build more muscle and strength than training and eating a controlled diet alone. This benefit exists even if you are already eating enough calories and protein from your regular meals, suggesting the specific properties of whey (fast absorption, high essential amino acids) provide an extra edge.

Tirzepatide (TZP) administration in adults with overweight or obesity significantly reduces total fat mass and visceral adipose tissue compared to baseline, placebo, and other anti-obesity medications like dulaglutide and semaglutide.

Tirzepatide is a highly effective treatment for reducing body fat and visceral fat in people with overweight or obesity, outperforming other common medications like semaglutide and dulaglutide in fat reduction metrics. However, users should be aware that significant fat-free mass (muscle) loss also occurs, though the net benefit of fat reduction remains superior. Treatment involves weekly injections, typically titrated up to 15mg over several months.

A personalized, goal-directed Health Partner intervention significantly improves cardiometabolic risk profiles and metrics of ideal cardiovascular health (Life's Simple 7) in healthy adults, with effects sustained for 2 years.

To improve your cardiovascular health, you need more than just willpower; you need a structured, personalized plan with regular check-ins. This study shows that working with a trained 'Health Partner' who reviews your specific health data (blood pressure, cholesterol, BMI) and helps you set realistic goals leads to sustained improvements over two years. The key is the ongoing support and personalized feedback, not just generic advice.

Orforglipron, an oral non-peptide GLP-1 receptor agonist, demonstrates efficacy comparable to injectable GLP-1 RAs with fewer dosing restrictions, achieving up to 2.10% HbA1c reduction and 9.6% weight loss.

Orforglipron is an oral, non-peptide GLP-1 receptor agonist that offers a convenient once-daily dosing without the strict food and water restrictions of other oral GLP-1 RAs. In Phase 2 trials, it achieved significant HbA1c reduction (up to 2.10%) and weight loss (9.6%), comparable to injectable options. It is currently in Phase 3 trials.

Cardiac rehabilitation involving moderate-intensity endurance exercise (≥150 min/week) combined with resistance training (3 sessions/week) improves functional capacity, cardiovascular risk factors, and weight loss in patients with obesity.

If you have obesity and cardiovascular risk, aim for 150 minutes of moderate exercise (like brisk walking) and 3 days of resistance training (weights) per week. This is a standard recommendation to improve your heart health and fitness. Start slowly and consider a supervised program if you have existing heart conditions.

Weight loss of ≥10% sustained over the long term reduces atrial fibrillation burden and improves arrhythmia-free survival in obese patients.

If you have atrial fibrillation and obesity, losing at least 10% of your body weight and keeping it off can significantly reduce your AF symptoms and recurrence. This requires a comprehensive approach to managing your overall health, not just weight loss alone.

Bariatric surgery reduces major cardiovascular events, particularly coronary artery disease, and mortality in overweight and obese heart failure patients compared to non-surgical weight management.

For obese patients with heart failure or coronary artery disease, bariatric surgery can significantly reduce major cardiovascular events and mortality compared to non-surgical weight management. It should be considered as part of a comprehensive management plan.

Adherence to a Mediterranean diet improves hepatic steatosis and insulin resistance in NAFLD patients, even in the absence of significant weight loss.

Adopt a Mediterranean-style eating pattern focusing on low-glycemic carbohydrates, healthy fats (olive oil, nuts), and high fiber. This approach improves liver fat and insulin sensitivity independently of weight loss, making it a viable strategy even if you struggle to lose weight through caloric restriction alone.

Improving adherence to DASH or Healthy Eating Index (HEI) dietary patterns in young adults (ages 17-22) significantly reduces the risk of developing prediabetes or type 2 diabetes over a 4-year period.

If you are in your late teens or early twenties, focusing on improving your overall diet quality—specifically by following DASH or HEI guidelines—can significantly lower your risk of developing prediabetes. You don't need a perfect diet; even small, consistent improvements in your score (like eating more vegetables, whole grains, and less sodium/sugar) over a few years can reduce your risk of prediabetes by up to 64% if you improve your DASH score. This is a critical window to establish healthy habits before metabolic issues become entrenched.

Higher adherence to the DASH diet is inversely associated with adiposity measures, including BMI, body fat percentage, and visceral adipose tissue (VAT), in young adults.

Improving your DASH score not only helps your blood sugar but also helps manage body fat and visceral fat. By focusing on the components of the DASH diet (more fruits, vegetables, whole grains, low-fat dairy, less sodium and saturated fat), you can naturally support a healthier body composition without necessarily needing to restrict calories aggressively.

Dietary fiber intake influences gut microbiota composition and short-chain fatty acid generation, which decreases inflammation and supports gut barrier maintenance, thereby potentially lowering type 2 diabetes risk.

Eat a high-fiber diet rich in minimally processed plant foods like whole grains, vegetables, fruits, legumes, nuts, and seeds. This promotes gut bacterial diversity and produces beneficial fats (SCFAs) that reduce inflammation and support your gut barrier. Because your unique gut bacteria determine how you respond, start slowly if you are not used to high fiber.