The 8 metrics

19%higherRISK OF DYING

sleeping 4 hours a night instead of 7 (Yin 2017)

12%higherRISK OF DYING

sleeping 5 hours a night instead of 7 (Yin 2017)

6%higherRISK OF DYING

sleeping 6 hours a night instead of 7 (Yin 2017)

32%higherRISK OF DYING

sleeping 10 hours a night instead of 7 (Yin 2017)

7%lowerRISK OF DYING

for every extra 8 grams of fiber a day (Reynolds 2019)

2xhigherHEART & STROKE DEATH

for every 20 points higher on the top blood-pressure number, and 10 on the bottom — down to 115/75 (Lewington)

28%higherRISK OF DYING

for every 1 point higher on your A1c blood-sugar test (Khaw 2001)

14%lowerRISK OF DYING

for each 1 MET more cardio fitness — the unit a treadmill test reports (Singh 2024, 42 studies)

47%lowerRISK OF DYING

walking 7,000 steps a day instead of 2,000 (Ding 2025, 14 studies)

17%higherRISK OF DYING

for every 10 beats a minute faster your resting pulse (Aune 2017, 48 studies)

16%higherRISK OF DYING

for every 11 lb (5 kg) weaker your grip (Leong 2015, 139,691 adults)