What first comes to mind when you picture a healthy lifestyle? Many of us tend to focus on what we eat and how active we are. But an oft-neglected part of the picture is not just what we do, but when ...

You may not always know what time it is, but your body does. That's because of its biological clock--something inside you that controls when you feel sleepy and when you feel awake. Living creatures ...

It’s Friday, which means I have to wind up the clock on the wall. It’s my wife’s clock. She brought it from Poland, where it had originally been her paternal grandmother’s who lived with them when my ...