5 habits add 15 years
Five basic lifestyle choices — don't smoke, don't drink heavily, get enough rest, exercise, and have a reliable partner — can add 15 years to your life.
Where this was said
Relationships, Loneliness, and the #1 Longevity Factor
At 1:18:01 · chapter starts 1:04:30
One of the most humanizing stretches of the episode unfolds as Rogan and Sinclair discuss what really drives longevity beyond supplements and gene therapy. Sinclair cites Robert Waldinger's extraordinary 40-year Harvard longitudinal study of WWII veterans, which found that a reliable partner outperformed every physical health marker as a predictor of long life. Rogan reflects on his own 17-year marriage and how genuine enjoyment of a partner's company is both possible and rare. Sinclair discloses, quietly, that he went through a divorce during COVID — the forced proximity of lockdown stress-tested a marriage that might have survived otherwise. Both men agree that bad relationships are a measurable biological stressor, with the epigenetic clock accelerating visibly during breakups. The conversation broadens to cover workplace stress and social isolation as equally potent aging accelerators.
Harvard longevity study: #1 factor
A 40-year Harvard study of WWII veterans found that having a reliable partner was the single greatest predictor of longevity — outperforming blood pressure, cholesterol, and other health metrics.
A Reliable Partner Is the #1 Longevity Factor
A 40-year Harvard study tracked everything in WWII veterans — blood pressure, cholesterol, exercise. The single greatest predictor of a long life? Having a reliable partner. Not supplements, not diet — a loving relationship.
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