Browse the evidence

Regular physical activity, particularly aerobic exercises like Tai Chi and Pilates, improves sleep quality in college students, whereas sedentary behavior and high screen time reduce it.

Incorporate regular aerobic exercise, such as Tai Chi or Pilates, into your weekly routine. Avoid sedentary behavior and excessive screen time, as these are linked to poorer sleep quality.

Accumulating up to 10,000 steps per day is associated with a lower risk of all-cause, cardiovascular disease (CVD), and cancer mortality, as well as reduced incidence of CVD and cancer.

Aim for more steps, but don't obsess over hitting 10,000 if it feels like a chore. The research shows significant mortality and disease risk reductions occur well before that number. Focus on increasing your daily average from your current baseline; every 2,000 steps adds benefit, with the curve flattening around 10,000.

Lifestyle modification and weight loss are the primary, constant interventions for managing insulin resistance and its associated long-term health risks in patients with Polycystic Ovarian Syndrome (PCOS).

If you have PCOS, prioritize lifestyle changes like diet and exercise as your main treatment strategy. Losing even a small amount of weight (5% or more) can significantly improve your menstrual cycles and fertility. This approach addresses the root cause (insulin resistance) and protects your long-term health against diabetes and heart disease, rather than just treating symptoms.

Improving cardiorespiratory fitness (CRF) is a more effective strategy for reducing mortality risk and improving pancreatic beta-cell function in metabolic syndrome than weight-loss strategies focused solely on fat loss.

Stop obsessing over the scale. Focus on getting fitter. Activities that raise your heart rate and improve your cardiorespiratory fitness (like brisk walking, cycling, or swimming) are more critical for your long-term health and survival than just trying to lose pounds. You can be 'fit and fat' and have better health outcomes than being 'unfit and thin.'

Professional football players with limited game time (<60 minutes) require a compensatory training session (MD+1C) the day after competition to replicate competition-level external loads, as standard recovery sessions fail to maintain their high-intensity running and acceleration/deceleration capacities.

If you are a coach or athlete managing a team where not everyone plays the full 90 minutes, do not give non-starters a passive recovery session the day after the game. Instead, design a high-intensity small-sided game session that mimics the accelerations and decelerations of a match. This compensatory training is essential to maintain the fitness levels of players who get limited game time, preventing them from falling behind their starters in physical capacity.

Online response inhibition training targeting high-energy density foods reduces real-world weight and energy intake in overweight/obese adults.

Perform four 10-minute online sessions of a 'go/no-go' computer game where you must withhold responses to pictures of your favorite high-calorie snacks (like chips or chocolate). Do these sessions over one week. This simple cognitive exercise has been shown to help overweight adults lose weight and eat fewer calories in the real world by reducing automatic impulses to eat those foods.

Self-monitoring behaviors, specifically weighing oneself, are significantly related to maintaining weight loss.

Weighing yourself regularly is a key behavior for keeping weight off. The review found this self-regulatory behavior is significantly related to maintaining weight loss. Use the scale as a tool to stay on track.

Following the thirst mechanism and drinking ad libidum (400-800 mL/h) is the recommended hydration strategy for endurance athletes to avoid exercise-associated hyponatremia (EAH).

Don't force yourself to drink large amounts of water if you aren't thirsty. Instead, drink when you feel thirsty, aiming for about 400-800 mL per hour. If you sweat a lot or exercise for a long time, include some sodium in your drinks (300-600 mg/h) to help prevent low sodium levels.

Lifestyle modifications can improve insulin sensitivity and delay progression to type 2 diabetes, although quantitative evaluation of insulin sensitivity was often missing from early trials.

Lifestyle changes are effective at delaying type 2 diabetes in people with impaired glucose tolerance. While early trials didn't always measure insulin sensitivity directly, it is possible that these changes improve insulin sensitivity. Pharmacological options like metformin are also available.

Daily self-weighing is an effective, low-cost intervention for preventing or slowing weight gain during periods of lifestyle disruption, such as home confinement.

Use a bathroom scale every morning. This is an inexpensive, easy tool to help prevent or slow weight gain during confinement. If you have access to an electronic scale, it can be integrated into telemedicine for remote monitoring.

Reducing daily sedentary time to less than 2 hours is associated with significantly higher odds of successful aging in middle-aged and older adults, independent of physical activity levels.

If you are middle-aged or older, try to keep your total daily sitting time under 2 hours. This recommendation stands even if you are already exercising. The goal is to minimize the total time spent in sedentary postures, as this is independently linked to better physical, psychological, and social aging outcomes.

A 12-month moderate-intensity home-based exercise program significantly reduces stress-induced systolic and diastolic blood pressure reactivity in older family caregivers compared to a nutrition education control.

If you are a caregiver feeling stressed, try adding 30-40 minutes of brisk walking, 4 times a week. You don't need a gym membership; do it at home or in your neighborhood. Use a phone app or a simple watch to keep your heart rate up (you should be able to talk but not sing). This specific routine has been shown to help lower your blood pressure spikes when you are under emotional stress.

A 12-month moderate-intensity home-based exercise program significantly improves rated sleep quality in older family caregivers compared to a nutrition education control.

If you are a caregiver struggling with sleep, try adding 30-40 minutes of brisk walking, 4 times a week. This specific routine has been shown to improve sleep quality over a year. Start slowly and use phone check-ins to stay on track.

Supervised exercise programs significantly improve maximal walking time and distance in patients with intermittent claudication compared to usual care or placebo, with benefits sustained for up to two years.

If you have leg pain when walking due to narrowed arteries, do not stop moving. Engage in a supervised exercise program, walking until you feel pain, resting, and repeating. Doing this at least twice a week can significantly increase how far and how long you can walk, with benefits lasting for years. This is a low-risk, effective first-line treatment.

Strict adherence to a gluten-free diet is the primary determinant of intestinal mucosal recovery in adults with celiac disease, with non-adherence being the main cause of persistent intestinal damage.

For adults with celiac disease, the single most important factor for healing the gut is strict, lifelong avoidance of gluten. While blood tests (EMA) are good at detecting active damage, they are poor at ruling it out. The most reliable, non-invasive way to ensure your gut is healing is to maintain strict dietary compliance, verified by trained interviews, rather than relying solely on serology or feeling asymptomatic.

Immobility and bedrest during COVID-19 hospitalization significantly accelerate muscle loss, with ICU stays associated with an 18.5% decrease in rectus femoris muscle mass within 7 days.

If you are recovering in the hospital, ask for early mobilization. Even small movements can prevent the rapid muscle loss (up to 18.5% in a week) seen in ICU patients.

A family-based educational intervention targeting reduced intake of high-salt/high-fat foods and increased physical activity significantly lowers systolic and diastolic blood pressure in healthy families.

To lower blood pressure, involve your whole family in a structured health program. Focus on reducing salt and fat intake first, as these changes are easier to make and build confidence for adding physical activity. Use tools like self-monitoring and goal setting to maintain these habits long-term.

Resistance exercise combined with nutritional support (protein/micronutrients) is the primary evidence-based intervention for increasing muscle mass and strength in sarcopenia, outperforming exercise alone.

To build muscle and fight sarcopenia, do not rely on exercise alone. Combine resistance training with adequate nutritional support, specifically focusing on protein and micronutrients, as this combination is proven to be more effective than exercise by itself.

Regular exercise training significantly reduces the risk of cardiovascular disease mortality and all-cause mortality in both primary and secondary prevention contexts, with benefits observed even at low doses (e.g., 15 minutes/day).

Start with just 15 minutes of moderate exercise daily. You do not need to spend hours in the gym to see significant reductions in heart disease and overall mortality risk. Consistency matters more than intensity or duration for initial benefits.

Repeated dieting and rigid, all-or-nothing dietary restraint increase susceptibility to disinhibited eating (overeating) and weight regain, whereas flexible restraint strategies are associated with better weight control.

Avoid rigid, all-or-nothing dieting. Instead, adopt flexible control strategies that involve forward planning, portion control, and the acceptance that occasional transgressions are normal. Compensate for slips rather than abandoning your goals. This approach is associated with better long-term weight maintenance.

Regular moderate-intensity aerobic exercise improves sleep quality, reduces sleep onset latency, and decreases OSA severity, independent of significant weight loss.

Engage in regular moderate-intensity aerobic exercise. For insomnia, doing this about 3 hours before bed can improve sleep efficiency. For OSA, regular exercise can reduce disease severity even if you don't lose weight. Start slowly if fatigue is an issue, as exercise can help break the cycle of daytime sleepiness.

Patient populations (e.g., cardiac, arthritis, diabetic) respond significantly better to physical activity interventions than non-patient (healthy) populations.

If you are managing a health condition like arthritis, heart disease, or diabetes, you may find it easier to adopt an exercise routine than if you are currently healthy. Use this 'teachable moment' to engage with structured, moderate-intensity group programs that include self-monitoring.

The multiple-pass 24-hour recall is the recommended method for estimating energy intake during obesity treatment because it minimizes underreporting compared to other traditional methods.

Ask your clinician to use a 'multiple-pass' 24-hour recall method for at least 3 days (including a weekend). This involves a structured interview where they probe for forgotten foods (snacks, drinks) in multiple steps. This is more accurate than simple food diaries or questionnaires.

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.