Also see: Potential Adverse Cardiovascular Effects from Excessive Endurance Exercise Lancet. 2011 Oct 1;378(9798):1244-53. Epub 2011 Aug 16. Minimum amount of physical activity for reduced mortality and extended life expectancy: a prospective cohort study. Wen CP, Wai JP, Tsai MK, Yang YC, Cheng TY, Lee MC, Chan HT, Tsao CK, Tsai SP, Wu X. BACKGROUND: [...]