https://www.hsph.harvard.edu/news/press-releases/five-healthy-lifestyle-habits/

five low-risk lifestyle factors—not smoking , low body mass index (18.5-24.9 kg/m ² ), at least 30 minutes or more per day of moderate to vigorous physical activity, moderate alcohol intake (for example, up to about one 5-ounce glass of wine per day for women, or up to two glasses for men), and a healthy diet가 수명 연장의 꿈을 이루는 실질적 지표랍니다.

가장 중요한 것은 not smoking ..