Circadian rhythm, that is. This natural system regulates sleep, but holiday schedules
can throw it off balance. Get your internal clock under control and get the rest you need.

Your survival as a woman in the early stages of breast cancer may depend partly on your social network—your friends, family, community and spouse. But which of these people is most beneficial may depend on your race or your age, new research suggests.

Preterm babies often face mental and physical health challenges.
Giving them special "kangaroo care" might reduce some of those problems,
in both the short and the long term.

Are you letting the weather put a freeze on your resolve to be more active?
Check out these 10 tips to keep you moving all winter long.

Less tobacco. Less alcohol. Fewer illegal drugs.
That's what adolescents and teens said they did in 2016.
But the use of one particular drug has remained pretty stable over the years.