Browse the evidence

Higher-quality protein sources (e.g., whey, milk) produce a significantly greater acute muscle protein synthesis (MPS) response than lower-quality sources (e.g., soy, wheat, casein) when matched for dose, both at rest and following resistance exercise.

If you are trying to maximize muscle growth, prioritize high-quality protein sources like whey, milk, eggs, or meat over lower-quality plant proteins (like wheat or soy) when possible. This is especially relevant for older adults who may experience 'anabolic resistance.' However, this is a small effect; hitting your total daily protein target is still the most important factor.

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.

Performing resistance exercise once per week (Weekend Warrior) or using single-set protocols significantly increases muscle strength in untrained individuals compared to no exercise, despite volumes being lower than standard guidelines.

If you are not currently exercising, start with just one session per week or do single sets of exercises. You do not need to follow complex multi-set routines to get stronger. Consistency with a minimal dose is better than no exercise at all.

GLP-1 receptor agonists (e.g., liraglutide) produce significant weight loss (mean 8.4 kg over 56 weeks) by slowing gastric emptying and activating central satiety pathways, with 33.1% of patients achieving >10% body weight loss.

If you have obesity (BMI > 30, or > 27 with health issues), ask your doctor about GLP-1 agonists like liraglutide. This medication, taken daily, has been shown in clinical trials to help patients lose an average of 8.4 kg over a year, with many losing over 10% of their body weight. It works by slowing digestion and signaling fullness to your brain.

Bariatric surgery leads to greater long-term weight loss and better glycemic control (lower HbA1c, HOMA-IR) compared to conventional medical therapy in severely obese T2DM patients, with specific surgical types (RYGB, BPD) showing superior metabolic effects.

Bariatric surgery provides superior long-term weight loss and blood sugar control compared to medication alone for severely obese diabetics. The specific type of surgery (e.g., RYGB vs. BPD) influences which metabolic markers improve most, so discussing these differences with a healthcare provider is important for personalized treatment.

Sodium-glucose cotransporter 2 inhibitors (SGLT2i) and glucagon-like peptide-1 receptor agonists (GLP-1 RAs) promote weight loss in obese individuals with type 2 diabetes, whereas sulfonylureas, thiazolidinediones, and insulin typically cause weight gain.

If you have type 2 diabetes and are obese, ask your doctor about SGLT2 inhibitors (like Jardiance/Farxiga) or GLP-1 agonists (like Ozempic/Victoza). These drugs lower blood sugar and typically help you lose 2-3 kg, whereas older drugs like insulin or sulfonylureas often make you gain weight. Combining these with metformin can enhance weight loss.

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.

Protein restriction (0.6-0.8 g/kg/day) is recommended for T2DM patients with chronic kidney disease (CKD) to slow progression.

If you have kidney issues, limit protein to 0.6-0.8g per kg of body weight daily. Focus on high-quality vegetable proteins. This helps protect your kidneys from further damage.

Increasing daily protein intake to 1.0–1.5 g/kg/day in older adults improves glycemic control and preserves muscle mass, counteracting age-related sarcopenia and insulin resistance.

If you are over 40 and concerned about diabetes or muscle loss, aim for 1.0 to 1.5 grams of protein per kilogram of body weight every day. This is higher than the standard recommendation and helps protect your muscles while improving how your body handles sugar. Focus on high-quality sources like dairy or whey, and combine this with resistance exercise for the best results.

Dairy-based proteins, particularly whey, improve insulin sensitivity and muscle protein synthesis more effectively than other protein sources due to their insulinotropic properties and leucine content.

Incorporate 2-4 servings of dairy or 20-84g of whey protein daily. Whey is particularly effective because it stimulates insulin release without spiking blood sugar, helping to manage glucose and build muscle. Yogurt with probiotics is also beneficial for gut health and insulin sensitivity.

Combining high protein intake with resistance exercise synergistically increases muscle mass and improves insulin sensitivity more than either intervention alone in older adults with T2D.

For the best results in managing diabetes and building muscle, combine resistance training (3 times a week) with a high-protein diet. This combination is more effective than diet or exercise alone, significantly reducing insulin levels and building muscle mass.

Achieving 6-7 guideline-recommended risk factor targets (non-smoking, physical activity, healthy diet, BMI 20-25, BP <140/90, HbA1c <7%, total cholesterol <5.2 mmol/L) eliminates the excess mortality risk and life expectancy loss associated with Type 2 Diabetes compared to non-diabetic individuals.

If you have Type 2 Diabetes, do not accept reduced life expectancy as inevitable. Focus on achieving seven specific health targets: never smoke, stay physically active (150+ mins/week moderate activity), eat a healthy diet (fruits, veggies, whole grains, fish), maintain a BMI between 20-25, keep blood pressure under 140/90, keep HbA1c under 7%, and keep total cholesterol under 5.2 mmol/L. Achieving 6 or 7 of these targets can reduce your mortality risk to the same level as someone without diabetes.

Maintaining circulating 25-hydroxyvitamin D levels at or above 75 nmol/L is associated with significantly lower risks of falls and fractures in older adults, particularly when combined with adequate calcium intake.

Aim for a blood level of 25OHD at or above 75 nmol/L. For older adults, this often requires supplementation or significant sun exposure, as diet alone provides only 10-20% of status. Ensure you are also getting 1000-1200 mg of calcium daily, as Vitamin D works synergistically with calcium to protect bone density and reduce fall risk.

GLP-1 receptor agonists (semaglutide 2.4 mg/week and liraglutide 3 mg/day) produce significant weight loss in adults with obesity or overweight with comorbidities by delaying gastric emptying and increasing satiety, with semaglutide demonstrating superior efficacy compared to liraglutide.

If you have obesity or overweight with a related health condition, ask your doctor about GLP-1 agonists like semaglutide. They are taken as a once-weekly injection and work by making you feel full and slowing digestion. They are most effective when combined with a reduced-calorie diet and increased physical activity.

Intentional weight loss in older adults using anti-obesity medicines (AOMs) improves cardiometabolic outcomes and preserves skeletal muscle strength and bone mineral density, countering the risks of sarcopenia and functional decline.

If you are over 60 and have obesity, intentional weight loss using FDA-approved medications (like semaglutide or tirzepatide) combined with resistance training is safe and effective. It improves heart and metabolic health without necessarily causing frailty, provided you work with a clinician to manage side effects and maintain muscle mass.

Post-ACL reconstruction rehabilitation using Blood Flow Restriction (BFR) with low-load resistance training (30% 1RM) produces significantly greater gains in quadriceps and hamstring muscle strength and knee physical function compared to high-load resistance training (70% 1RM) without occlusion.

If you are in early rehab after ACL surgery, ask your physical therapist about Blood Flow Restriction (BFR) training. It allows you to use light weights (30% of your max) while still getting strong muscle gains, which is safer for your graft than heavy lifting. This method also helps reduce pain and improves knee function faster than standard heavy lifting in the first 3 months.

GLP-1 receptor agonists (GLP1RAs) produce significant weight loss and glycemic control in type 2 diabetes and obesity, with efficacy varying by specific agent, dose, and formulation.

If you have obesity or type 2 diabetes, GLP-1 drugs like semaglutide can help you lose significant weight and control blood sugar. You take it once a week. Side effects like nausea are common at first but usually go away. It works best when combined with healthy eating and exercise.

Soy protein supplementation reduces exercise-induced metabolic biomarkers such as triglycerides, uric acid, and lactate, and improves antioxidant status compared to whey protein in long-term studies.

Soy protein is not just about muscle; it actively helps your body handle oxidative stress and metabolic strain from exercise. It reduces lactate, uric acid, and triglycerides more effectively than some other sources. This makes it a smart choice for overall metabolic health alongside muscle building.

Both high-intensity (recording all dietary intake) and low-intensity (recording specific dietary components) self-monitoring strategies are effective in supporting statistically significant weight loss in behavioral interventions for adults with overweight or obesity.

You can lose weight by tracking your diet, and you don't have to track every single calorie to see results. You can choose to track all your food (high intensity) or just specific items like sugary drinks or snacks (low intensity). Both approaches have been shown to produce significant weight loss compared to no intervention. The key is consistency and using the method that you can sustain, whether that is a paper log, an app, or a phone call.

A multi-channel, information technology-enabled health promotion intervention significantly reduces daily intake of fat, sugar, and salt while increasing fruit and vegetable consumption in urban adults.

Adopt a multi-channel approach to dietary improvement. Use technology (SMS, apps) for reminders and education, but pair it with tangible tools like measuring spoons and visual guides (e.g., a table mat) to make tracking fat, sugar, and salt intake easier. This combination was shown to significantly improve diet quality over six months in diverse urban populations.

The same multi-channel IT-enabled dietary intervention leads to significant improvements in secondary health biomarkers, including reduced BMI, diastolic blood pressure, fasting plasma glucose, and triglycerides.

Improving diet quality through structured, tech-supported interventions can yield measurable metabolic benefits, including lower blood pressure, blood sugar, and triglycerides, even without explicit exercise prescriptions.

Higher adherence to the Food Compass nutrient profiling system, measured by an individual's Food Compass Score (i.FCS), is associated with lower all-cause mortality, improved cardiometabolic risk factors, and lower prevalence of chronic diseases in U.S. adults.

Focus on eating foods with higher Food Compass scores, which prioritize nutrient density, healthy fats, fiber, and whole ingredients while minimizing additives and ultra-processing. This dietary pattern is linked to lower risks of heart disease, diabetes, cancer, and early death. You don't need to track every nutrient; choosing foods rated highly by this system generally leads to better health outcomes.

Triple agonist retatrutide (GLP-1/GIP/glucagon) produces superior weight loss (up to 24.2% at 12mg) compared to dual agonists and GLP-1 monotherapy, driven by synergistic activation of all three receptors.

Retatrutide, a once-weekly injection targeting three gut hormones, has shown unprecedented weight loss (up to 24%) in clinical trials for obesity. While effective, it carries a risk of gastrointestinal side effects like nausea, which are usually manageable by starting at a low dose and increasing slowly. It represents a significant advancement over older GLP-1 drugs.

Intentional weight loss, particularly when sustained, reduces the incidence of obesity-related cancers, with even modest losses (2-4.5 kg) showing significant risk reduction.

You do not need to reach a 'perfect' weight to lower your cancer risk. Sustained, modest weight loss (even just 2-4.5 kg) significantly reduces the risk of breast cancer in postmenopausal women. Focus on maintaining this loss through sustainable dietary and activity changes rather than extreme measures.