A pillar of lifestyle medicine

🚶 Physical Activity

How much movement you really need and how to fit it into an ordinary day, no gym required. It is one of the six pillars of lifestyle medicine: regular physical activity.

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Guide

Physical activity: how much exercise do adults need?

The Physical Activity Guidelines for Americans in plain English: 150 to 300 minutes of moderate activity a week, muscle strengthening and why every minute counts.

4 min read · 3 scientific sources

All articles

Myth or fact

Do you really need 10,000 steps a day? What the research says

Where the 10,000-step goal came from and what meta-analyses show about daily steps and mortality by age, including where benefits level off.

Physical Activity

Sitting too much: the health risks of a desk job and how to offset them

Why prolonged sitting is linked to higher mortality even in people who exercise, how much activity offsets it and simple habits for the workday.

Physical Activity

Strength training at home in 15 minutes: why and how

Why guidelines recommend muscle strengthening twice a week, what a meta-analysis found about strength training and longevity, and a 15-minute no-equipment routine.

Physical Activity

Walking: the simplest exercise with proven benefits

What meta-analyses show about walking, heart disease and longevity, how fast and how much to walk and easy ways to walk more every day.

Physical Activity

Exercise after 60: strength, balance and fall prevention

Why strength and balance matter most after 60, what a Cochrane review found about exercise and falls and a safe home routine to get started.

Physical Activity

Exercise and mood: how physical activity helps with depression and anxiety

What reviews of meta-analyses show about exercise for depression, anxiety and distress, which types of exercise work best and how to start when you have no energy.

Physical Activity

How to start exercising if you have not moved in a long time

Why the biggest health gains come from going from no activity to some, what a study of 660,000 people found and a gentle 4-week plan to start.

Myth or fact

Myth or fact: exercise only counts if you work out for an hour

Is a short workout a waste of time? What studies with objective activity tracking show and why the guidelines dropped the 10-minute minimum.

Physical Activity

Short, intense workouts: HIIT and "exercise snacks"

What meta-analyses show about HIIT and fitness, and why even 1- to 2-minute bursts of vigorous activity during the day are linked to lower mortality.

Physical Activity

Stretching: benefits, myths and how to do it right

Does stretching prevent injuries? What a systematic review found about static stretching, performance and injury risk, and how to warm up properly.

Physical Activity

Low back pain: why staying active beats bed rest

Why guidelines recommend staying active for nonspecific low back pain, what Cochrane reviews show about exercise, and when imaging is really needed.

Physical Activity

Yoga: what is proven for mood and back pain

What meta-analyses and Cochrane reviews show about yoga for depression and chronic low back pain, why it may work and how to get started.

Physical Activity

Biking and walking to work: active commuting and health

What a UK study of more than 260,000 commuters found about cycling and walking to work, heart disease and mortality, and how to start safely.

Physical Activity

Exercise and type 2 diabetes: prevention and control

How the U.S. Diabetes Prevention Program cut diabetes risk by 58%, what the American Diabetes Association recommends and practical steps to get started.

Physical Activity

Exercise during pregnancy: safe and beneficial

How much physical activity is recommended during pregnancy, how it lowers the risk of gestational diabetes and preeclampsia, and how to stay active safely.

Physical Activity

Kids and physical activity: how much they need and how to limit screens

How much physical activity children and teens need according to U.S. and WHO guidelines, why it matters and practical ideas for families.

Physical Activity

Grip strength: a simple marker of health

What the PURE study of nearly 140,000 people found about grip strength and mortality, and how to build overall strength.

Physical Activity

Cardiorespiratory fitness: the vital sign doctors rarely measure

Why the American Heart Association calls fitness a vital sign, what a study of more than 120,000 treadmill tests found and how to improve it at any age.

Physical Activity

Exercise and cancer: how physical activity lowers risk

How physical activity is linked to lower risk of 13 types of cancer, what the evidence review for the U.S. guidelines found and why activity matters after diagnosis.

Physical Activity

Exercise and the brain: how physical activity supports memory

What a randomized trial found about walking and the size of the hippocampus, how exercise affects thinking after 50 and how much activity helps.

Physical Activity

Exercise and sleep: how physical activity helps you sleep

What a meta-analysis of 66 studies found about exercise, sleep duration and sleep quality, and whether evening workouts keep you awake.

Physical Activity

Knee osteoarthritis: exercise is the foundation of treatment

Why exercise is first-line treatment for knee osteoarthritis, what a Cochrane review and a NEJM trial of nonsurgical care found, and simple knee exercises.

Physical Activity

Walking after meals: an easy way to lower blood sugar

Why short walks after eating help control blood sugar, what studies in people with prediabetes found and how to build the habit.

Physical Activity

"Weekend warriors": is exercising only on weekends good for you?

What a study of more than 63,000 adults found about getting all your weekly exercise in one or two sessions, and why sitting still matters.

Physical Activity

Strong bones: exercises to prevent osteoporosis

What the LIFTMOR trial showed about high-intensity strength and impact training for bone density, why balance exercises prevent falls and how to start safely.

Physical Activity

Extreme heat and health: how to avoid overheating

Who is most at risk during heat waves, the signs of heat stroke and what really cools you down: fans, water, shade and changing your schedule.

Myth or fact

Myth or fact: ab exercises burn belly fat

Can you "spot reduce" fat in one area? What a randomized trial of ab exercises found and what actually reduces abdominal fat.

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