Your Health

Sweating in a sauna feels good, and it's associated with health benefits including a lower risk of heart disease. But is that because of the heat, or because you're able to kick back and relax?

When study participants who routinely got less than seven hours of sleep were coached to extend their sleep time, they also changed their diets, without being asked — taking in less sugar each day.

The Division of Conscience and Religious Freedom is being established to aid health workers with objections rooted in conscience or religion to treating certain people and performing some procedures.

A newer type of breast imaging costs more. It's not yet clear if the three-dimensional approach is more effective at catching cancers that will kill.

Researchers knew the HIV outbreak in the small town of Austin, Ind., was related to IV drug use. Mapping how the virus mutated over time revealed its path — and how it might have been stopped.

Adolescents are under more pressure than ever, and many suffer from depression and anxiety. But new research suggests that volunteering to help strangers makes them feel better about themselves.