The 90–120 minute weekly strength sweet spot linked to longer life
An observational analysis of 147,000+ adults over up to 30 years finds that 90–119 minutes per week of strength training is associated with lower all-cause mortality (13%), cardiovascular mortality (19%), and neurological mortality (27%), with no extra benefit above 120 minutes; cancer deaths also drop at lower training levels; the strongest reductions occur when strength work is combined with high levels of aerobic exercise, though causality cannot be established due to self-reported data and study limitations.