Add Yahoo as a preferred source to see more of our stories on Google. Worried about your memory? Minor slip-ups, like forgetting to move your clothes from the washer to the dryer, are nothing to worry ...

As more and more research highlights the role our body's internal clock, known as the circadian rhythm, may have in everything from developing dementia, to driving weight gain to promoting tumor ...

Sleep researchers have found it's possible to determine the timing of a person's internal biological clock via a single blood draw. Ultimately, the findings could lead to a simple blood test for ...

Cardiovascular scientists at City St George's, University of London, have identified crucial clues from a heart rhythm test that could detect hidden heart disease in young people, according to ...