Professional teams traveling from later to earlier time zones win more, study finds

Stimulant effect diminishes after days of insufficient sleep, study finds

British study highlights the need for better early detection, researchers say

Suggests a $1 increase linked to 4 percent drop in infant deaths, fewer low birth weight babies

Stress, finances may boost cardiovascular risks for U.S. mothers, study says

Suggests a $1 increase linked to 4 percent drop in infant deaths, fewer low birth weight babies

Stress, finances may boost cardiovascular risks for U.S. mothers, study says

Experimental drug shows promise against MRSA superbug in animal trials

Study found risk increased as weight went up

Although larger procedure carries more risk, odds of longer survival are higher, researchers say