Does lifting weights help you live longer?
On this page
Yes. In 147,374 US adults followed for up to 30 years, 90 to 119 minutes of strength training a week went with 13% lower risk of dying, on top of whatever aerobic exercise they did. More than 2 hours a week added nothing more, and lifting plus plenty of cardio did best.
What we’d do
Lift two or three times a week, 30 to 45 minutes each time, and keep walking or cycling on the other days. Work the big muscles: legs, hips, back, chest and arms. If you’re starting from zero, any lifting counts, since in a review of 16 studies the biggest drop came at just 30 to 60 minutes a week. Those are typical targets, and the Gyroscope app personalizes yours.
Why people think cardio is enough
For decades the longevity advice was about the heart: walk, run, swim. Lifting was for bodybuilders or for looks, even though the US guidelines ask for muscle-strengthening at least 2 days a week alongside aerobic activity. A 2026 Harvard study finally put a dose on it.
The Harvard strength study
Researchers used three of Harvard’s long-running cohorts, 31,540 men and 115,834 women, who reported their weekly lifting and aerobic exercise every two years for up to 30 years. There were 35,798 deaths.
Compared with no strength training, 90 to 119 minutes a week went with:
- 13% lower risk of dying from any cause
- 19% lower risk of dying from heart and blood vessel disease
- 27% lower risk of dying from diseases of the brain and nerves
All of that was after allowing for aerobic exercise. Above 120 minutes a week, the benefit flattened. Cancer deaths behaved oddly, with lower risk only at small doses of lifting (1 to 59 minutes a week).
The best results came from doing both. Against people with little aerobic exercise and no lifting, those with a lot of both had 45% lower risk.
The simple version
Muscle is like the suspension on a car. You don’t notice it on smooth roads. It decides what happens when you hit a pothole, like a trip on the stairs, a heavy suitcase or a week in bed with the flu.
Do the other studies agree?
A 2022 review pooled 16 studies and found strength training went with 10 to 17% lower risk of dying and of heart disease, cancer and diabetes. The biggest drop came at about 30 to 60 minutes a week, and the reviewers couldn’t say whether much more helped. Both pieces of evidence point to a couple of sessions a week doing most of the work.
These are observational studies. People who lift also tend to do other healthy things, and the researchers adjusted for the ones they measured.
What it means in years
The study odds tool puts the Harvard result on the 2024 US life table. For a 60-year-old woman, 13% lower risk works out to about a year more on average if it held for life. That’s one study, never added to the others.
Strength also shows up in everyday tests. See the sitting-rising test and grip strength, and for programs, strength.guide.
3 sources
- Zhang Y and others, Long-term resistance training with all-cause and cause-specific mortality: assessing dose-response and joint associations with aerobic physical activity, British Journal of Sports Medicine, 2026pubmed.ncbi.nlm.nih.gov
- Momma H and others, Muscle-strengthening activities are associated with lower risk and mortality in major non-communicable diseases: a systematic review and meta-analysis of cohort studies, British Journal of Sports Medicine, 2022pubmed.ncbi.nlm.nih.gov
- US Office of Disease Prevention and Health Promotion, Top 10 things to know about the second edition of the Physical Activity Guidelines for Americansodphp.health.gov
