Phys Ed: Phys Ed: Are Marathons Bad for the Heart?
The death from heart attack of the ultramarathoner Micah True has raised awareness about the safety of marathon racing and training. But the science suggests that distance running and racing are extremely unlikely to kill you -- except when, in rare instances, they do. (Source: NYT Health)

Long-term contraception more effective than pills
(Reuters) - A large real-life test of birth control methods found more U.S. women got pregnant while using short-acting methods such as pills, patches and vaginal rings -- and the failure rate was highest when they were used by women under 21. (Source: Reuters: Health)