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A long-term observational analysis published in the British Journal of Sports Medicine finds that doing 90 to 120 minutes of strength (resistance) training per week is associated with lower mortality.
Researchers pooled data from three US cohorts—the Nurses’ Health Study, Nurses’ Health Study II and Health Professionals Follow-up Study—tracking 147,374 adults over about 30 years.
After adjustment for confounders, 90–119 minutes weekly of resistance training was linked to a 13% lower risk of death from any cause, a 19% lower risk of death from cardiovascular disease and a 27% lower risk of death from neurological disease.
Combining high levels of aerobic activity with strength training yielded the largest reductions in mortality (up to about 58%). The study also found no additional mortality benefit above roughly two hours per week of strength training.
Authors note the analysis is observational, relies on self-reported activity and lacks precise data on session intensity or duration, so causality cannot be established.






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