How You Sit Matters More Than Total Time | Science News

Science News Today | 2 Min News | The Daily News Now! · Sep 3, 2026 · 1m

New research reveals that it’s not just how long you sit, but how uninterrupted your sitting is that really impacts your health—specifically, cancer risk. A massive study of over 91,000 people found that each extra hour spent sitting in long, unbroken stretches raises cancer death risk by 9%. The key insight? Short bursts of sitting are far less harmful than marathons of stillness. Breaking up those long sessions with even light movement can slash cancer death risk by 12%—think swapping a three-hour slump for a quick walk. Scientists now believe everyday motion, not just intense workouts…