Browse the evidence

Intermittent Caloric Restriction (ICR), specifically Alternate Day Fasting (ADF), is as effective as Continuous Caloric Restriction (CCR) for weight loss but offers superior compliance and lean mass retention.

Try Alternate Day Fasting: Eat normally on one day, then restrict calories significantly (or fast) the next. This method is just as effective for weight loss as daily calorie counting but may be easier to stick to because you aren't restricted every day.

Higher adherence to the VLCKD program, measured by number of medical visits and total doses consumed, is positively associated with greater success in weight loss, BMI reduction, and fat mass loss.

Attend all scheduled medical and nutritional visits. The study shows that higher adherence, measured by attending visits and consuming the prescribed doses, is significantly associated with better weight loss and fat loss outcomes.

Lifestyle modification, including diet, physical activity, and behavior therapy, is the cornerstone of obesity management and can lead to significant weight loss and reduced cardiovascular risk.

Lifestyle modification is the primary and most effective way to manage obesity. This involves a combination of diet, physical activity, and behavior therapy. Aim to lose at least 10% of your body weight through these changes. If lifestyle changes alone are not enough, consult a healthcare provider about other options like pharmacotherapy or surgery.

Exercise serves as a therapeutic agent and preventative medicine that can substitute for or reduce the need for potentially inappropriate medications (PIMs) such as antidepressants, anxiolytics, and insomniacs in older adults, thereby reducing adverse drug events like falls and cognitive impairment.

If you are taking medications for depression, anxiety, or insomnia, talk to your doctor about whether exercise could help reduce your dose. Exercise is a proven treatment that can improve your mood and sleep without the side effects of these medications, such as increased risk of falls or confusion.

Higher levels of physical activity significantly reduce the prospective risk of incident depression, with effects persisting across age groups and geographic regions.

To lower your risk of depression, aim for higher levels of physical activity. This doesn't necessarily mean intense gym sessions; regular movement, including walking, cycling, or swimming, has been shown to reduce the risk of developing depression across all age groups. Consistency matters more than intensity for this preventive benefit.

Adapting Cognitive Behavioral Therapy for Insomnia (CBT-I) elements—specifically stimulus control, sleep restriction, and cognitive interventions—is the primary effective treatment for managing sleep problems during home confinement, with pharmacotherapy reserved only for short-term use when CBT-I is ineffective or unavailable.

Treat your sleep like a skill, not a switch. Go to bed only when you are sleepy, and get up at the same time every day, regardless of how much you slept. If you can't sleep, get out of bed and do something boring in dim light until you are sleepy again. Do not work, eat, or watch TV in bed. If stress is keeping you up, schedule 15 minutes earlier in the day to write down your worries, so they don't interfere with night-time sleep. Reserve medication for severe, short-term cases only, and only after trying these behavioral steps.

Exercise improves quality of life (physical and mental summary scores) in patients with intermittent claudication.

Exercise helps you feel better mentally and physically. Studies show that after six months of exercise, patients report better physical function and mental well-being. This is a key benefit of sticking with an exercise program.

Resistance exercise improves NAFLD and may be more tolerable for patients with poor cardiorespiratory fitness who cannot tolerate intense aerobic exercise.

If you struggle with intense cardio like running, try resistance training. It improves NAFLD and is often easier for people with low fitness levels to maintain consistently.

Increasing daily step count to 8,000 or more steps per day is significantly associated with lower all-cause, cardiovascular, and cancer mortality in US adults aged 40 and older, independent of step intensity.

To maximize longevity, aim for at least 8,000 steps per day. If you can reach 12,000, the mortality benefit is even greater. You do not need to walk fast or intensely; the total number of steps is the key factor. Start where you are and gradually increase your daily step count.

Weight loss through lifestyle modification in obese women restores menstrual cyclicity and ovulation, thereby improving the likelihood of conception.

Lose weight through diet and exercise. This is not just for health but specifically to restore ovulation and improve your chances of getting pregnant. The paper states this is proven to work.

Increasing daily step volume to approximately 4,400 steps is associated with significantly lower all-cause mortality compared to lower volumes (approx. 2,700 steps), with benefits continuing to increase until approximately 7,500 steps per day.

For older women, aiming for 4,400 steps a day provides significant mortality benefits compared to being sedentary. Increasing steps up to 7,500 a day yields progressively greater benefits. You do not need to force yourself to 10,000 steps to see health improvements; focus on reaching 4,400 first, then gradually increase toward 7,500.

Intensive, multicomponent behavioral interventions for adults with obesity (BMI ≥30) produce moderate net benefits by achieving clinically significant weight loss and reducing type 2 diabetes incidence, with small to no harms.

If you have a BMI of 30 or higher, ask your doctor for a referral to an intensive behavioral weight loss program. These programs typically involve at least 12 sessions in the first year and focus on diet, exercise, and self-monitoring. While the average weight loss is modest (around 2.4 kg or 5.3 lbs), these interventions significantly reduce your risk of developing type 2 diabetes and have very few side effects.

High-intensity interval training (HIIT) and sprint interval training (SIT) enhance mitochondrial respiration and function, whereas long slow-distance (LSD) training with higher volume is required to increase mitochondrial mass.

To improve your aerobic capacity, you don't always need to spend hours exercising. Incorporate high-intensity interval training (HIIT) or sprint interval training (SIT) to boost mitochondrial function efficiently. If your goal is to increase the total amount of mitochondria (mass), focus on longer, lower-intensity sessions with higher volume.

Cycling as a mode of active commuting is associated with significantly lower risks of all-cause mortality, cardiovascular disease (CVD) incidence and mortality, and cancer incidence and mortality compared to non-active commuting.

If you can, cycle to work. This study links cycling to significantly lower risks of heart disease, cancer, and death. You don't need to be a pro; even mixed-mode commuting (cycling part of the way) helps. If cycling isn't possible, walking to work also reduces heart disease risk, especially if you walk longer distances.

The Session-RPE method (training load = RPE score x session duration) is a valid and reliable tool for monitoring training load in athletes across various sports, genders, and expertise levels, offering a practical alternative to complex physiological monitoring devices.

After every workout, ask yourself: 'How hard was that?' on a scale of 0-10 (0=rest, 10=max effort). Multiply that number by the minutes you trained. That result is your Training Load. Track this weekly. If your load is high but your routine is boring (high monotony), you risk illness or poor performance. Vary your loads to keep strain manageable.

Higher levels of physical activity are positively associated with healthy ageing, defined as maintaining functional ability and wellbeing, across longitudinal cohorts.

Engage in regular physical activity to support healthy ageing. The evidence suggests that being physically active is associated with a higher likelihood of maintaining functional ability and wellbeing as you age. While the specific type and dose vary across studies, the consistent finding is that activity is beneficial compared to inactivity.

Lifestyle interventions, specifically physical activity and healthy dietary patterns (Mediterranean/DASH), decelerate biological vascular aging and improve vascular health measures.

Prioritize regular physical activity and adopt a plant-based, Mediterranean-style diet. These are the most effective, evidence-based ways to slow down biological vascular aging and reduce cardiovascular risk.

Wearable activity trackers effectively increase daily physical activity, resulting in an average increase of 1800 steps per day and 40 minutes of walking per day across diverse populations.

Use a wearable activity tracker (pedometer, smartwatch, or fitness app) to increase your daily movement. The device acts as a tool for self-monitoring and goal setting. Evidence shows this intervention leads to an average increase of 1800 steps and 40 minutes of walking per day, regardless of whether you are healthy or have a chronic condition. The key is consistent wear and using the feedback to set goals.

Higher levels of general physical activity significantly reduce the odds of developing sarcopenia in older adults (aged 40+).

To protect your muscle mass as you age, prioritize staying physically active. You don't need a specific gym routine; any activity that raises your energy expenditure above resting levels (like walking, gardening, or housework) helps. The data shows that being active significantly lowers your risk of losing muscle mass compared to being sedentary.

Physical activity improves Quality of Life (QOL), with the greatest improvements observed in patients with mental health conditions, followed by cardiovascular disease and cancer patients.

If you are managing a chronic condition, especially mental health issues, cardiovascular disease, or cancer, regular exercise can significantly improve your daily quality of life. Try to aim for longer sessions (over 90 minutes) if possible, as they may offer greater QOL benefits, but start with what you can tolerate.

Lifestyle intervention, specifically combining regular physical activity with nutritious dietary changes, significantly reduces the risk of progression from pre-diabetes to type 2 diabetes.

If you have pre-diabetes, you can likely reverse it. Focus on two things: move your body regularly (moderate to intense exercise helps insulin sensitivity) and eat a diet rich in fiber (whole grains, bran) while cutting out sugary drinks. You don't need perfection, but consistency matters. This approach can lower your risk of developing full-blown diabetes by up to 40%.

Dietary caloric restriction and regular exercise are effective interventions to reduce inflammation and metabolic dysfunction in obesity, although dietary weight loss alone may be less effective as a long-term anti-inflammatory intervention compared to exercise.

Combine caloric restriction with regular exercise to manage obesity and its associated inflammation. Prioritize exercise for long-term anti-inflammatory benefits, as diet alone may not sustain these effects as effectively over time.

Higher levels of objectively measured physical activity causally lower diastolic blood pressure and reduce the odds of hypertension.

To help lower your diastolic blood pressure, aim for higher levels of daily physical activity. This study provides strong causal evidence that moving more reduces hypertension risk. You do not need complex equipment; consistent, moderate movement is the key lever.

Physical activity prevents the age-associated increase in intramuscular adipose tissue (IMAT) and preserves strength, independent of changes in muscle mass.

Engaging in regular physical activity is a proven strategy to prevent the accumulation of fat within muscles (myosteatosis) as you age. This preservation of muscle quality helps maintain strength and mobility, even if overall muscle size decreases slightly.