Overview
- On May 20 coverage reported a peer-reviewed analysis of roughly 17,000 UK Biobank participants that used one-week accelerometer data and a bicycle VO2max test with about eight years of follow-up to relate physical activity to cardiovascular outcomes.
- The study found meeting the WHO minimum of 150 minutes of moderate-to-vigorous activity per week was associated with an 8–9% lower risk while 560–610 minutes per week was linked to more than a 30% lower risk, though only about 12% of participants reached the higher level.
- The authors defined movement as moderate activity that leaves you slightly out of breath but able to talk or vigorous activity that makes speaking difficult, so the reported minutes refer to sustained, above-light-intensity exercise.
- Researchers caution the analysis is observational and cannot prove that higher activity causes the lower risk, noting possible selection bias and that UK Biobank participants tend to be healthier than the general population.
- The paper's authors and media coverage say the WHO 150-minute guideline remains a useful, achievable baseline, and public-health decisions must weigh the greater benefits seen at high activity levels against feasibility, equity, and the large gains from moving people out of inactivity.