Exercise for depression: what helps, how much, and how to start

Get help straight away

The NHS says a mental health emergency should be taken as seriously as a physical one, and that you will not be wasting anyone's time.

• Call 999 or go to A&E if your life is at risk: for example, you have seriously harmed yourself or taken an overdose, or you feel you can't keep yourself safe.
• For urgent help in England, call 111 and select the mental health option, or use 111 online.
• Call Samaritans on 116 123. It is free, any time, day or night.
• In the US, call or text 988, the 988 Suicide and Crisis Lifeline, any time.

Sources 1, 2, 3, 4, 5

Does exercise help depression?

Yes. Across 57 trials in the 2026 Cochrane review, people with depression who exercised improved more than those who didn't, by a moderate amount. NICE lists group exercise as a treatment option for less severe depression, and the NHS calls exercise one of the main treatments for mild depression. The benefit is smaller in the best-run trials, so it is real but less certain than headlines suggest.

Sources 6, 7, 8

Exercise vs antidepressants

In the few trials that compared them directly, exercise did about as well as talking therapy and antidepressants at the end of treatment. It has not been shown to be better, and those trials are small. Exercise can be added to either. Never stop an antidepressant suddenly or without talking to your doctor.

Sources 6, 9

The best exercise for depression

Walking or jogging, strength training and yoga have the best evidence, in a 2024 analysis of 218 trials. Dance looked promising, but in only a few small trials. Strength training and yoga had the fewest people dropping out. The best type is the one you will keep doing.

Source 10

How much exercise for mental health?

Trials that helped usually had people exercising about 3 times a week for 30 to 45 minutes, for 10 to 16 weeks. For everyone, the NHS advises 150 minutes of moderate activity a week plus strength work on 2 days. Less still counts: for preventing depression, half that amount was linked to 18% lower risk.

Sources 11, 12, 13, 14

When you have no motivation

Low mood is the most common barrier, so don't wait to feel like it. Plan something very small, like a 10-minute walk at a set time, and count it as done. That is how behavioural activation, a talking therapy NICE recommends, works. Doing it with other people makes it easier to keep going.

Sources 15, 16, 17, 7

When exercise isn't enough

In more severe depression, NICE advises considering treatments with more therapist contact first, with exercise as an add-on. Most people with depression recover with the right treatment and support. If you have felt low for weeks, or you are getting worse, see a GP.

Sources 7, 18

It helpsStrong evidence

Many reviews agree that exercise reduces depressive symptoms compared with no treatment, usual care or a placebo, and UK and Canadian guidelines treat it as a treatment. In adults without a diagnosis of depression, the pooled effect is an SMD of −0.50, a moderate effect.

Sources 6, 10, 19, 20, 7, 12

The benefit is smaller in the best-run trialsStrong evidence

The 2026 Cochrane update pooled 57 trials and 2,189 people: an SMD of −0.67, a moderate effect, from low-certainty evidence. In the 7 trials with the most robust methods (447 people) it fell to −0.46, and the likely range ran from a large effect (−0.88) to almost none (−0.04). The 2013 version showed the same pattern more sharply: −0.62 overall, but −0.18 in its 6 most robust trials, which was not statistically significant. The 35 trials added since 2013 barely changed the overall estimate.

Sources 6, 21

Why exercise trials are hard to run

You can't hide from people that they are exercising, so they expect to feel better, and that expectation inflates results. Cochrane judged every trial at high risk of bias for this reason, and many trials are small. In the largest analysis of exercise types, only 1 of 218 studies was at low risk of bias.

Sources 6, 10

Reviews disagree on how muchMixed evidence

In the trials least affected by bias, one review of major depression found no clear effect (SMD −0.11, 4 trials). Another found a moderate effect remained (−0.67, 12 trials): roughly 1 extra person improved for every 3 who exercised. A third argued that unpublished studies had made exercise look less effective, not more.

Sources 22, 23, 24

Walking, strength and yoga comparedEmerging evidence

Against active comparison groups, walking or jogging reduced depression by g −0.63, yoga by −0.55, strength training by −0.49, mixed aerobic exercise by −0.43, and tai chi or qigong by −0.42. Dance looked large (−0.96), but in only 5 small trials. Confidence was low for walking or jogging and very low for the rest. Separately, strength training reduced depressive symptoms across 33 trials whether or not people got much stronger, and yoga helped in the short term in 12 trials.

Sources 10, 25, 26

Harder or easierEmerging evidence

Harder exercise tended to help a little more (vigorous g −0.74, light −0.58), but light activity such as walking and gentle yoga still helped. In small trials of people with major depression, a single 30-minute session lifted mood within minutes at light, moderate or hard intensity. Quiet rest also eased distress, but only exercise raised vigour and wellbeing.

Sources 10, 27, 28

Head-to-head trialsEmerging evidence

In the 2026 Cochrane review, exercise was probably about as effective as psychological therapy at the end of treatment (10 trials, 414 people, moderate certainty), and may be about as effective as antidepressants (5 trials, 330 people, low certainty). These comparisons rest on a few small trials, and long-term results are very uncertain.

Source 6

SMILE: exercise, sertraline or a placeboEmerging evidence

202 adults with major depression had 16 weeks of supervised group exercise, home exercise, the antidepressant sertraline, or a placebo pill. Remission rates were 45%, 40%, 47% and 31%. Many people on the placebo improved too, and the difference between the active treatments and the placebo only just missed statistical significance.

Source 11

MOTAR: running or an antidepressantEmerging evidence

In this 2023 Dutch study of 141 people, 16 weeks of group running, 2 to 3 times a week, gave similar remission to an SSRI antidepressant (43.3% and 44.8%), and improved weight, waist size, blood pressure and heart rate more. But only 22 people were randomised; the rest chose their treatment. And fewer kept up the running: about 52%, against about 82% taking the tablets. The randomised numbers and adherence come from a psychiatrist's summary of the paper.

Sources 29, 30

Combining themEmerging evidence

Exercise and medicines can be combined: exercise plus an SSRI antidepressant did well in trials (g −0.55 against active comparison groups). In more severe depression, NICE suggests group exercise as an addition when antidepressants alone have not worked.

Sources 10, 7

Don't stop antidepressants suddenlyStrong evidence

The NHS says not to stop taking an antidepressant suddenly or without talking to your doctor. Withdrawal symptoms are common and can feel like the depression coming back. If you'd like to come off them, your doctor can plan a slow reduction.

Source 9

When exercise isn't enough on its ownStrong evidence

In more severe depression, NICE advises considering treatments with more therapist contact first, and Canadian guidelines make exercise an add-on at moderate severity. Exercise is still worth doing alongside them.

Sources 7, 31, 12

NICE's group exercise programmeStrong evidence

For less severe depression, NICE lists group exercise as a treatment option: more than one session a week for 10 weeks, in groups of about 8, of moderate aerobic exercise led by a trained practitioner.

Source 7

Any activity countsStrong evidence

NICE advises telling people that any regular physical activity, such as walking, jogging, swimming, dance or gardening, could help their wellbeing, possibly more so outdoors. This rests on the committee's judgement rather than trials. The NHS lists being physically active among its 5 steps to mental wellbeing.

Sources 7, 31, 32

Exercise on prescription

In some areas, GPs can refer you to an exercise scheme, free or at a reduced cost. The NHS also names walking groups such as Ramblers Wellbeing Walks, and Green Gym projects.

Source 16

Canadian guidelinesStrong evidence

The Canadian Network for Mood and Anxiety Treatments (CANMAT) makes supervised exercise a first-line treatment on its own for mild depression, and a second-line add-on for moderate depression: low to moderate intensity, 30 to 40 minutes, 3 to 4 times a week, for at least 9 weeks.

Source 12

Aerobic: build towards 150 minutes a week

WHO: 150 to 300 minutes of moderate activity a week, or 75 to 150 minutes of vigorous activity, or a mix. The NHS suggests spreading it over 4 to 5 days, or every day. Moderate means you can talk but not sing; vigorous means you can only say a few words without pausing. For depression, the NHS says any exercise is better than none, and even a brisk 10-minute walk can clear your mind.

Sources 33, 13, 16

Strength: 2 days a week

Work all the major muscle groups on at least 2 days a week (NHS, WHO). Strength training eased depression whatever the amount and whether or not strength improved. Our suggestion: 2 sets of 8 to 12 per move, stopping with 2 to 3 reps to spare.

Sources 13, 33, 25

What the trials used

SMILE: 3 sessions a week for 16 weeks, each 30 minutes of walking or jogging plus a warm-up and cool-down, about 45 minutes in all. MOTAR: supervised group running, 45 minutes, 2 to 3 times a week for 16 weeks. These are targets for weeks 6 to 16, not week 1 (our suggestion).

Sources 11, 29, 30

How hardEmerging evidence

Harder tended to work a little better, without a clear link to weekly volume. Light activity still helped, and in a single session, light, moderate and hard cycling lifted depressed mood equally. Our suggestion: start light, and add harder efforts once the habit is there.

Sources 10, 19, 27

How long to give it

Sessions of 30 to 60 minutes gave similar benefits, and programmes of 12 weeks or less worked at least as well as longer ones. NICE's group programme runs for 10 weeks. Benefits held for up to 6 months after programmes ended in pooled trials, though long-term evidence is very uncertain. Our suggestion: give it about 10 weeks before judging whether it is helping, and see your GP sooner if you are getting worse.

Sources 19, 7, 10, 6

A starting fortnight

Our suggestion for an adult with low mood and no warning signs. Days 1 to 7: a 10-minute walk every day, outdoors if you can, at whatever pace you manage, and on one or two days the 10-minute starter workout. Days 8 to 14: walks of 15 to 20 minutes on most days, and two short strength sessions (the beginner home and bodyweight workouts). Then follow the beginner workout plan and move towards about 150 minutes of brisk activity a week, adding about 5 minutes to a walk at a time and swapping in harder options only when a session feels routine.

Sources 16, 13

Plan it, don't wait to feel like itStrong evidence

Behavioural activation is a talking therapy that schedules rewarding activities and notices their effect on your mood, rather than waiting for motivation to come first. It works for depression (26 trials), and in a UK trial of 440 people it was as effective as CBT and cheaper. NICE recommends it. You can borrow the idea: put a short walk in your diary at a set time, and notice how you feel afterwards.

Sources 17, 34, 7

Start very smallEmerging evidence

In people with severe mental illness, low mood and stress were the commonest barriers to exercise (61%), followed by a lack of support (50%). So make the first step tiny: a 10-minute walk, at a set time, and count it as done. Small amounts matter: for preventing depression, the biggest difference was between doing nothing and doing something.

Sources 15, 16, 14

Do it with other peopleEmerging evidence

Supervised and group programmes showed larger effects. About 18% of people dropped out of exercise trials for depression, fewer when physiotherapists or exercise physiologists supervised. NICE's programme is a group. A friend, a class, a walking group or exercise on prescription from your GP all give you company and a reason to turn up.

Sources 23, 35, 36, 7, 16

Go outsideEmerging evidence

Structured outdoor activities improved depressive mood in randomised trials (SMD −0.64), and NICE says the benefits of activity may be greater outdoors. A walk in a park counts.

Sources 37, 7

Advice alone isn't enoughEmerging evidence

In the UK TREAD trial, 361 people with depression were given support to be more active: 3 meetings and 10 phone calls over 8 months. They did become more active, but their depression didn't improve more than with usual care, and they didn't need fewer antidepressants. The trials that worked used structured, often supervised sessions.

Sources 38, 23, 11

Expect bad days

Energy comes and goes. On a bad day, do the smallest version: one round of the starter workout, or a walk to the end of the road. Missing a day isn't failing; pick up at the next planned time. If exercise feels impossible, that is a symptom of depression, not a failure: talk to your GP about other treatments (our suggestions).

Active people are less likely to develop depressionEmerging evidence

Across 49 cohorts and 266,939 people, those who were more active had lower odds of developing depression (adjusted odds ratio 0.83, where 1 would mean no difference).

Source 39

A little goes a long wayEmerging evidence

Half the recommended activity, about 75 minutes of brisk walking a week, was linked to 18% lower risk of depression, and the full amount to 25% lower, with little extra benefit above that.

Source 14

One hour a weekEmerging evidence

In a Norwegian cohort of 33,908 adults, one hour of exercise a week could have prevented about 12% of new cases of depression, if the link is causal.

Source 40

Steps and genesEmerging evidence

7,000 or more steps a day was linked to lower risk of depression (risk ratio 0.69). A genetic study (Mendelian randomisation) supported a protective effect of activity measured by devices, though not of activity people reported themselves.

Sources 41, 42

Call 999 or go to A&E now

Call 999 or go to A&E if:

• Your life is at risk: for example, you have seriously harmed yourself or taken an overdose.
• You feel you may be about to harm yourself, or you can't keep yourself or someone else safe.
• During exercise, you have chest pain that feels tight or like squeezing, or spreads to the arms, neck or jaw, or severe difficulty breathing, or someone collapses.

Sources 1, 2, 43

Get urgent help today

• In England, call 111 and select the mental health option, use 111 online, or ask for an urgent GP appointment.
• Call Samaritans free on 116 123, any time, day or night (UK and Ireland).
• Text SHOUT to 85258, any time.
• Contact your mental health crisis team if you have one.
• In the US, call or text 988, the 988 Suicide and Crisis Lifeline, any time.

Sources 1, 2, 3, 4, 5

See a GP soon

• You have felt low, or lost interest in things you used to enjoy, for weeks rather than days. The NHS says it's best not to delay.
• Exercise hasn't helped after a fair trial, or you're getting worse.
• Medicine side effects such as dizziness or a racing heart are bothering you, or you want to stop a medicine.
• Exercise is becoming compulsive, or a way to control your weight or make up for eating: exercising too much can be a sign of an eating disorder.

Sources 18, 7, 9, 45

Medicines and exerciseStrong evidence

Keep taking your medicines, and never stop an antidepressant suddenly. Some antidepressants can cause dizziness, so get up slowly after floor work and sit down if you feel dizzy. If you take lithium, drink plenty of fluids, especially when you sweat in hot weather: dehydration can raise lithium levels. Taking water to every session is our suggestion.

Sources 9, 44

Check with a GP before you start

If you have heart disease or another medical condition, or haven't been active for years, start with walking and light strength work, and speak to a GP first.

Source 13

"Exercise is 1.5 times more effective than counselling or medication"

This came from a 2023 university press release about a review in the British Journal of Sports Medicine. The review compared its own pooled effect for exercise (SMD −0.43) with figures reported elsewhere for therapy and medicines (−0.22 to −0.37). That is not a fair test: the numbers come from different reviews, of different people, against different comparison groups. And 77 of the 97 reviews it pooled were rated critically low in quality. In trials that compared them directly, exercise did about as well as talking therapy or antidepressants. It has not been shown to be better.

Sources 46, 19, 6

"If exercise works as well as antidepressants, I can stop my tablets"

The comparison trials started people on one treatment or the other; none tested stopping a medicine that is working. Stopping suddenly often causes withdrawal symptoms, which can feel like the depression coming back. Add exercise, and change medicines only with your doctor.

Sources 6, 9

"Only hard exercise counts"

Harder exercise tended to help a little more, but light activity such as walking and gentle yoga still helped, and a single session of light cycling lifted depressed mood as much as hard cycling. For prevention, half the recommended amount was linked to 18% lower risk.

Sources 10, 27, 14

"It's all endorphins"

No trial has pinned down how exercise helps depression. The authors of the largest analysis think several things combine, such as social contact, a sense of achievement, time outdoors, mindfulness and short-term lifts in mood, and that no single mechanism explains it.

Source 10

"Being told to exercise more works just as well"

In the TREAD trial, 361 people with depression were supported to become more active. They did, but their depression didn't improve more than with usual care. The trials that worked used structured, often supervised sessions.

Sources 38, 11

"More is always better"

Pooled reviews found no extra benefit beyond 150 minutes a week or from longer programmes. In a survey of 1.2 million Americans, the biggest differences in bad mental health days came with sessions of about 45 minutes, 3 to 5 times a week, and more was not always better. That survey can't show cause and effect.

Sources 19, 47

"Exercise can cure depression"

Most people with depression recover with the right treatment and support, and exercise can be part of that. No trial shows it cures depression on its own, especially when depression is severe.

Sources 18, 7, 12