Browse the evidence

Weight-bearing exercise during childhood and adolescence maximizes peak bone mass, which delays the onset of osteoporosis by approximately 13 years and reduces fracture risk by up to 50% in post-menopausal women.

Prioritize weight-bearing physical activities (like jumping, running, or resistance training) during childhood and teenage years. This is the most effective window to build maximum bone density, which acts as a buffer against bone loss later in life. Even if you were less active as a child, starting exercise in adulthood still helps preserve existing bone strength.

Multicomponent exercise training (aerobic, strength, and balance) is the most effective intervention for improving mobility, increasing muscle mass and strength, and decreasing falls in older adults with physical frailty and sarcopenia.

If you are an older adult experiencing weakness or slowness, do not avoid movement. Engage in a structured program that combines walking (aerobic), resistance training (strength), and balance exercises. This combination is proven to preserve independence, reduce falls, and maintain muscle mass better than any single type of exercise.

Regular exercise training improves heat tolerance and glucose control in individuals with type 2 diabetes, potentially mitigating the reduced heat tolerance associated with the disease.

If you have type 2 diabetes, regular exercise can help your body handle heat better and improve your blood sugar control. Start with moderate exercise and gradually increase your intensity. This will not only improve your metabolic health but also help you tolerate heat stress better, reducing the risk of heat-related illnesses.

Progressive resistance training significantly improves functional mobility, gait speed, and balance in older adults (mean age >60) with skeletal muscle function deficits, thereby reducing fall risk.

Start resistance training 2-3 times per week. Focus on large muscle groups (legs, core) with progressive overload. Supervision by a professional is recommended to ensure safety and proper form. This improves your ability to walk, balance, and perform daily tasks, reducing fall risk.

Interpretive front-of-pack (FOP) nutrition labels that evaluate product unhealthfulness (e.g., stop signs, traffic lights) are more effective at guiding consumers toward healthier choices than positive signposts or non-interpretive labels.

If you are a policymaker, prioritize interpretive labels (like stop signs or traffic lights) that highlight unhealthiness over positive endorsements or raw numbers. Ensure the regulation is mandatory, clearly defined, and developed with independent experts to withstand legal challenges from the food industry. This approach is more likely to help consumers, especially those with lower literacy, make healthier choices.

Maintaining higher daily step counts (median 7,731–8,290 steps) is associated with a significantly lower risk of incident chronic diseases, including obesity, sleep apnea, GERD, major depressive disorder, diabetes, and hypertension.

Track your daily steps using a wearable. Aim to consistently exceed 8,200 steps per day to gain protection against common chronic conditions like obesity, sleep apnea, and depression. You do not need to hit 10,000 to see benefits; the risk reduction is linear and starts lower. Consistency over years matters more than hitting a perfect daily number.

Lifestyle interventions targeting diet, body composition, physical activity, or stress are significantly more likely to produce positive health and wellbeing outcomes for nurses than interventions relying solely on education.

For nurses, simply attending health seminars or reading pamphlets is rarely enough to improve health. To see real results, interventions must be active and behavioral, focusing on concrete actions like dietary changes, physical exercise, or stress-reduction techniques (like mindfulness). Purely educational approaches are largely ineffective for changing long-term habits in this population.

Physical inactivity is a significant risk factor for sarcopenia in CKD patients, with higher levels of physical activity associated with a lower likelihood of sarcopenia.

For CKD patients, staying physically active is crucial for maintaining muscle strength. Aim for regular activity, as those who are more active have a significantly lower risk of developing sarcopenia. Start with manageable activities and gradually increase as tolerated.

Nudging interventions that alter the physical placement of fruit and vegetables (e.g., proximity, availability) significantly increase the likelihood of consumers selecting them, demonstrating a medium effect size.

To increase fruit and vegetable consumption, place these items in the most accessible, visible, and convenient locations within a food environment (e.g., at eye level in fridges, at the entrance of cafeterias, or on the main counter). This environmental change leverages automatic decision-making to significantly boost selection rates without restricting other options.

Gamified digital interventions produce a small-to-medium increase in physical activity compared to control groups, with effects persisting after the intervention ends.

To increase physical activity, try using a gamified app or wearable that tracks your steps or workouts and rewards you with points, badges, or social competition. The key is consistency; these tools work best when integrated into your daily routine for at least a few weeks. While the effect is modest, it is superior to standard tracking without game elements and can help sustain activity levels even after the initial novelty wears off.

For healthy adults aged 21–40, a walking cadence of 100 steps/min serves as a valid heuristic threshold for moderate intensity (3 METs), and 130 steps/min serves as a valid threshold for vigorous intensity (6 METs).

To hit moderate exercise intensity, aim for 100 steps per minute. To hit vigorous intensity, aim for 130 steps per minute. You can track this using most pedometers or smartwatches that display step cadence. This is a simple, objective way to ensure your walking meets public health guidelines for intensity without needing complex heart rate monitoring.

Lifestyle interventions including healthy diet, physical activity, and behavioral strategies are the first-line treatment for PCOS, improving metabolic, reproductive, and psychosocial outcomes.

For women with PCOS, lifestyle changes are the most important first step. Focus on incorporating a healthy diet and aiming for at least 150 minutes of moderate exercise per week (or 75 minutes of vigorous exercise). For better weight loss, aim for 250 minutes of moderate activity. Use behavioral strategies like setting goals, tracking progress, and problem-solving to stick with these changes long-term.

Resistance training is the most effective form of exercise for improving protein synthesis rates and reversing muscle loss, superior to aerobic exercise alone.

Do resistance training (lifting weights or using resistance bands) at least twice a week. This is more important for building muscle than just walking or cycling. Work with a physical therapist to adapt the exercises to your strength level.

Short bouts of exercise (less than 10 minutes) are effective and sufficient for health benefits, replacing the previous requirement for continuous 10-minute bouts.

You don't need to find a solid block of time. Break your 150 minutes of moderate activity into 10-minute chunks or even shorter bouts throughout the day. They all count toward your weekly goal.

Physical activity suppresses vascular endothelial cell senescence and improves vascular function in older adults.

Regular exercise helps keep your blood vessels young by reducing cellular aging markers. Aim for consistent physical activity to maintain vascular health as you age.

Consumer wearable activity tracker (CWAT)-based interventions significantly increase daily physical activity (steps) and improve cardiometabolic health markers (systolic blood pressure, waist circumference, LDL cholesterol) in patients with chronic diseases compared to control groups.

If you have a chronic condition, using a wearable activity tracker combined with a simple goal-setting strategy (like aiming for 10,000 steps or increasing your daily steps by 10%) can significantly boost your physical activity. This increase in movement leads to measurable improvements in blood pressure, waist size, and cholesterol levels. The key is consistency and using the device's feedback, potentially supported by brief counseling or phone calls, to maintain motivation over several months.

Behavioral sleep interventions (e.g., sleep hygiene, light chronotherapy, exercise) significantly improve sleep quality in dementia caregivers compared to control conditions.

Seek out behavioral sleep interventions such as sleep hygiene education, light therapy, or moderate exercise. These low-cost strategies are proven to significantly improve sleep quality for dementia caregivers, countering the belief that their stress makes sleep improvement impossible.

Regular physical activity (at least 2.5 hours per week) combined with a calorie-restricted diet is effective in reducing body weight and fat mass while maintaining fat-free and bone mass in postmenopausal women.

To manage weight during menopause, aim for at least 2.5 hours of exercise per week (e.g., 30 minutes daily). Combine this with a diet that limits fast food and carbohydrates while increasing fruits, vegetables, and fish. This approach helps reduce fat mass while preserving muscle and bone health.

A 12-week wearable technology-based intervention (Garmin Vivofit 2) combined with behavioral feedback and telephone counseling significantly increases moderate-to-vigorous physical activity (MVPA) and reduces sedentary behavior in postmenopausal breast cancer survivors.

If you are a breast cancer survivor looking to be more active, using a simple fitness tracker like the Garmin Vivofit 2 combined with regular check-ins from a health coach can help you increase your physical activity and sit less. The key is not just wearing the device, but using it to set goals and getting support to troubleshoot issues. This approach is designed to be accessible and scalable compared to expensive supervised gym programs.

Engaging in physical activity appropriate to an individual's current activity level, health status, and physical function yields health benefits that generally outweigh the risks for people living with disability, with no major risks identified.

If you have a disability, you can and should be physically active. Start with small amounts of activity that feel safe for your current health and ability level. The health benefits you get from moving are greater than the risks. Gradually increase how often, how hard, and how long you exercise as you are able. Doing some activity is always better than doing none.

Long-term adherence to a dietitian-led low-FODMAP diet provides sustained gastrointestinal symptom relief and maintains nutritional adequacy for the majority of IBS patients.

Work with a dietitian to follow the low-FODMAP diet. It is not just a short-term fix; for most people, it provides lasting symptom relief and can be maintained long-term without nutritional deficiencies. The key is the reintroduction phase, which helps you identify your specific triggers so you can eat a varied, healthy diet.

Resistance training is more beneficial than aerobic exercise for improving muscle strength in older adults, and higher intensity resistance exercise yields larger effect sizes.

To build muscle strength, prioritize resistance training over aerobic exercise. Focus on exercises using weights at a moderate to high intensity for the best results.

Higher self-efficacy and being in a 'receptive' stage of change are associated with greater odds of being physically active in CKD patients, regardless of disease stage.

Your confidence in your ability to exercise (self-efficacy) is a strong predictor of whether you will be active. If you feel unsure, focus on building 'readiness' through small, manageable steps and educational support. Setting reachable goals and seeing successful experiences can boost your confidence to exercise long-term.

Accumulating moderate-to-vigorous intermittent lifestyle physical activity (MV-ILPA) in bouts of 1 to 10 minutes is associated with significantly lower all-cause mortality and major adverse cardiovascular events (MACE) compared to bouts shorter than 1 minute, independent of total physical activity volume.

If you don't currently exercise, start by breaking up your day with short bursts of moderate-to-vigorous activity. Aim for 1 to 10-minute bouts of brisk walking or similar activity scattered throughout your day. These 'lifestyle' bursts are just as effective for reducing heart disease and mortality risk as longer, structured workouts, and they require no special equipment or time commitment.