Caffeine intake dropped more than 75 percent after just one hour-long session, study found

Besides improved heart and lung health, study detected growth in cerebral cortex

Researchers suggest this allows older adults to continue to contribute to society

But, researchers add that there are easy ways to prevent lasting harm

Researchers suggest this allows older adults to continue to contribute to society

But, researchers add that there are easy ways to prevent lasting harm

ER waits are also longer than for whites, study finds

The better 20-somethings performed on treadmill tests, the lower their odds for dying in middle age

But preliminary study doesn't determine whether that is cause for concern, experts say

Drug boosts immune system to destroy cancer cells