Two Short Weekly Strength Sessions Linked to Longer Life, Study Finds

A 30-year analysis of nearly 150,000 health professionals shows that about 90–120 minutes per week of strength training is associated with roughly 13% lower all-cause mortality, with stronger protections against cardiovascular disease (19%) and neurological deaths (27%). Benefits plateau around two hours per week, and the greatest reductions occur when strength training is paired with regular aerobic activity (about 45% lower risk). Muscle acts as a metabolically active tissue, aiding glucose regulation and releasing myokines that support the heart, brain, and overall health. The study is observational and based on self-reported activity, so it cannot prove causation. Practical takeaway: you don’t need a gym—two short strength sessions plus daily aerobic exercise can meaningfully boost longevity.