Browse the evidence

Exercise programs (strength, aerobic, flexibility, or neuromotor) of adequate dosage with progression tailored to physical function improve pain and function in hip and knee osteoarthritis.

Start an exercise program tailored to your current ability. It can include strength, aerobic, flexibility, or neuromotor exercises. Progress gradually. Exercise is safe and effective for reducing pain and improving function in osteoarthritis.

Habitual endurance running significantly improves key biomedical health indices in physically inactive adults, specifically reducing body mass, body fat, resting heart rate, and triglycerides, while increasing VO2max and HDL cholesterol.

If you are currently inactive but healthy, starting a running routine of about 3-4 sessions per week, totaling roughly 2.3 hours, at a moderate intensity (60-90% of your max heart rate) will significantly improve your health. Over a year, you can expect to lose about 3.3 kg of body mass, reduce body fat, lower your resting heart rate, and improve your cardiovascular fitness (VO2max) and healthy cholesterol levels (HDL). You do not need to combine this with strict dieting to see these independent benefits.

A 12-week supervised combination of balance and strength/power training improves balance, strength/power, body composition, cognitive function, psychosocial well-being, and falls self-efficacy in healthy older adults (65-80 years).

If you are over 65, a structured exercise program focusing on both balance (standing on one leg, walking on uneven surfaces) and strength (chair stands, jumping) performed three times a week for 12 weeks is expected to reduce your fall risk and improve your daily functioning. Supervision is recommended for the best results.

Training adaptations (e.g., VO2max, strength) vary greatly between individuals, necessitating monitoring and re-planning for non-responders.

Don't assume a standard program works for everyone. Track your progress (e.g., weight lifted, running pace). If you aren't improving after a few weeks, increase the dose or change the exercise. Personalization through monitoring is key.

The combination of HIIT and TRE may induce synergistic improvements in glycaemic control and insulin sensitivity compared to either intervention alone, though this remains unproven.

This specific combination is currently under investigation. While early evidence suggests combining time-restricted eating (≤10h window) with high-intensity interval training (3x/week) might offer superior metabolic benefits compared to doing either alone, definitive proof for this specific population is not yet available. You may try combining these strategies, but monitor your health markers closely.

Pharmacological treatment for obesity is indicated for adults with a BMI ≥30 kg/m², or ≥27 kg/m² with at least one comorbidity, when lifestyle changes are insufficient to achieve or maintain weight loss objectives.

If your BMI is 30 or higher, or 27 or higher with a health condition like diabetes or high blood pressure, and diet and exercise haven't worked, you qualify for prescription weight-loss medication. This is a standard medical indication, not a failure of willpower. Discuss this with your doctor to see if it's appropriate for you.

An intensive 6-month cardiac rehabilitation program combining a moderate-carbohydrate Mediterranean diet, exercise training, and time-restricted eating (8:16) can reverse pre-diabetes to normal glucose concentrations in patients with coronary heart disease.

If you have heart disease and pre-diabetes, a structured 6-month program can help reverse your blood sugar levels. Start with a Mediterranean-style diet (less than 40% carbs, mostly plants/fish/olive oil) and reduce ultra-processed foods. Add supervised exercise (mix of steady cardio and high-intensity intervals plus strength training) 3 times a week. After 3 months, add an 8-hour eating window (16 hours fasting) 5 days a week. Do this under medical supervision.

Combining full and partial ROMs in a single training program may promote synergistic effects on muscle growth by targeting different muscle activation patterns.

Consider incorporating both full and partial ROM exercises in your training program to potentially target different muscle activation patterns, though this is a hypothesis rather than a proven fact.

Plyometric training may induce hypertrophy in Type II muscle fibers, but evidence is limited and conflicting regarding fiber-type specificity compared to resistance training.

There is not enough evidence to recommend plyometric training specifically for targeting fast-twitch muscle fibers over slow-twitch ones. Focus on whole-muscle hypertrophy strategies instead.

Nutritional interventions (dietary patterns, education, or supplementation) improve blood pressure and glycaemic control in adults with hypertension and/or type 2 diabetes in low- and middle-income countries.

This paper is a protocol outlining how researchers will analyze existing studies. It does not provide a specific diet plan for individuals. However, it highlights that dietary changes are a key management tool for hypertension and diabetes, and that these changes should be adapted to local food contexts in low-resource settings.

Incorporating almonds as 15% of energy intake within an energy-restricted diet promotes greater weight loss and limits weight regain compared to carbohydrate-rich snacks.

To potentially aid weight loss, replace 15% of your daily calories with almonds (about 30g minimum) six days a week while maintaining a calorie deficit. This strategy aims to improve satiety and limit weight regain compared to eating carbohydrate-rich snacks.

Resistance training alone does not promote clinically significant weight loss, but it increases fat-free mass and reduces fat mass.

Don't rely on resistance training alone to drop significant weight. It won't do it. However, do it to build muscle and lose fat. This improves your health markers and body composition, even if the total number on the scale stays relatively stable.

Lower levels of objectively measured physical capability (grip strength, walking speed, chair rising, and standing balance) are associated with a higher risk of all-cause mortality in community-dwelling populations.

Use simple physical tests like grip strength, walking speed, or how quickly you can rise from a chair as early warning signs for your long-term health. If your performance in these areas is declining, it may signal a higher risk of mortality, prompting you to consult a healthcare provider for targeted interventions like strength training or lifestyle adjustments.

Higher BMI (overweight, obesity, and morbid obesity) is associated with a significantly increased lifetime risk of incident cardiovascular disease and a greater proportion of life lived with cardiovascular morbidity compared to normal BMI, despite similar or slightly higher all-cause longevity in the overweight group.

Maintaining a normal BMI (18.5-24.9) is associated with the lowest lifetime risk of developing cardiovascular disease and the most years lived free of heart conditions. While being overweight might not shorten your total lifespan as much as obesity, it significantly increases the number of years you will spend living with cardiovascular disease, reducing your quality of life and increasing healthcare burdens.

Among never smokers, the lowest all-cause mortality risk is associated with a BMI of 23-24, indicating that overweight (BMI 25-29.9) is associated with increased mortality risk.

If you are a never smoker, aiming for a BMI between 23 and 24 appears to offer the lowest mortality risk based on this large-scale evidence. If you are currently overweight, this data suggests moving toward that range may reduce mortality risk, contrary to claims that overweight is protective.

The blood pressure-lowering effect of the DASH combination diet is significantly greater in African Americans and individuals with hypertension compared to whites and normotensive individuals.

If you are African American or have high blood pressure, the DASH diet (high fruits/veggies/low-fat dairy, low saturated fat) will likely lower your blood pressure much more than it would for a white person or someone with normal blood pressure.

Sarcopenia is significantly associated with a higher risk of mortality in adults, independent of population type, sarcopenia definition, or follow-up period.

If you are an adult, especially over 50, muscle loss is a serious health risk that doubles your chance of dying, regardless of whether you live at home or in a facility. You should not accept muscle loss as 'just aging.' Get screened for sarcopenia (muscle mass and strength tests) and engage in resistance training and adequate protein intake to mitigate this risk.

Exercise-based rehabilitation for heart failure significantly reduces hospital admissions and improves health-related quality of life, with no increase in short-term mortality.

If you have heart failure, engaging in a structured exercise program is one of the most effective ways to reduce your risk of being hospitalized and to feel better in your daily life. It is safe and does not increase your risk of death in the short term. Look for a supervised cardiac rehabilitation program that tailors the intensity to your ability.

Lifelong, structured multidisciplinary follow-up including nutritional supplementation is mandatory after bariatric surgery to prevent deficiencies and manage comorbidities.

You must commit to lifelong medical and nutritional follow-up. This includes regular blood tests and taking prescribed supplements to prevent deficiencies. Skipping follow-up risks serious health complications, even if you feel well.

Bariatric surgery (LAGB) produces significantly greater weight loss than conventional therapy but does not result in statistically greater improvement in Obstructive Sleep Apnea (AHI) severity.

If you have OSA, significant weight loss (whether through surgery or lifestyle) improves your condition, but it is not a guaranteed cure. The study shows that surgery leads to much more weight loss than conventional methods, but this extra weight loss does not necessarily translate to better sleep apnea outcomes. Do not assume surgery will fix your OSA; you still need to be assessed and likely continue CPAP therapy.

Engaging in 7.5-15 MET hours/week of leisure-time physical activity significantly lowers the risk of seven specific cancer types (colon, breast, endometrial, kidney, myeloma, liver, and non-Hodgkin lymphoma) compared to no activity.

Aim for 7.5 to 15 MET hours of leisure activity per week. This is roughly 2.5 to 5 hours of moderate-intensity activity (like brisk walking) or less time of vigorous activity. This level of activity is associated with a significantly lower risk of colon, breast, endometrial, kidney, myeloma, liver, and non-Hodgkin lymphoma cancers. You do not need to exercise at high intensities to gain these benefits; consistency and total volume matter.

Higher levels of physical activity beyond the recommended 15 MET hours/week do not provide additional cancer risk reduction for curvilinear cancers (kidney, gastric, liver, non-Hodgkin lymphoma), whereas linear cancers (breast, colon, endometrial) continue to show reduced risk with higher activity.

If you already do 15+ MET hours of activity per week, you do not necessarily need to increase it further for cancer prevention, especially for liver, kidney, or gastric cancer risks, as the benefit plateaus. However, for breast and colon cancer, higher levels may still offer additional protection. Focus on consistency rather than excessive volume.

Continuous positive airway pressure (CPAP) therapy significantly improves subjective and objective daytime sleepiness and self-assessed health status in patients with minimally symptomatic obstructive sleep apnoea (OSA), but does not reduce calculated 5-year vascular risk.

If you have minimally symptomatic OSA, CPAP can still significantly reduce your daytime sleepiness and improve how you feel daily, even if your breathing interruptions aren't severe. However, do not expect this treatment to lower your long-term heart disease risk or blood pressure. The benefit is strictly symptomatic. You should trial CPAP to see if the improvement in alertness and health status justifies the nightly inconvenience, but manage expectations regarding cardiovascular protection.

High-intensity endurance and strength training initiated 5-7 weeks after lung cancer surgery significantly improves peak oxygen uptake, muscular strength, total muscle mass, and quality of life compared to standard postoperative care.

If you have had lung cancer surgery, do not avoid exercise. Start a supervised program of high-intensity endurance (like uphill walking) and strength training (weight lifting) 5-7 weeks after surgery. Doing this three times a week for 20 weeks can significantly improve your breathing capacity, muscle strength, and overall quality of life, helping you return to daily activities more easily.