Who knew a Netflix binge or cushy desk job could be so hazardous? Researchers from the University of California-San Diego suggest that avoiding sedentary behavior (like sitting down all day) may be the secret to a longer life. Older women who sat for 11.7 hours or more daily saw their risk of death jump by 30 percent – even if they exercised vigorously! Sitting all day linked to an early death - and exercise won't help - Study Finds