Key Takeaway
15-year study found older adults who did strength training had 46% lower mortality risk compared to non-strength trainers, independent of aerobic exercise.
Summary
Large cohort study examining strength training and mortality in older adults.
Methods
- Prospective cohort study
- 30,000+ adults aged 65+
- 15-year follow-up
- Self-reported strength training
- All-cause mortality outcome
Key Results
- 46% lower all-cause mortality
- Benefits independent of aerobic exercise
- Meeting guidelines reduced risk further
- Effect stronger than many medications
- Dose-response relationship observed
Limitations
- Observational design
- Self-reported exercise
- Healthy user bias possible
- Cannot prove causation