Sections
Exercise, diet and sleep, graded by the strength of the evidence.
Guide
Evidence: Cohort — as far as the evidence goes.
The 10,000-step target has no research behind it. Two pooled analyses show where the benefit actually starts and where it flattens out.
Sep 28, 2026·6 min read
Explainer
Two numbers and two activities, one of which almost never appears in longevity coverage.
Sep 28, 2026·5 min read