A direct hit to your muscle or bone can cause bruising after exercise, which is bleeding underneath the skin due to tissue damage and broken blood vessels. The bruising can then result in mild, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Waking up in the morning with a bruise you don't remember getting is not unusual. But if this starts to ...

A bump against a table corner or a fall while playing a spirited game of catch—life is full of these little encounters that slip by unnoticed, until the next morning when the skin reveals what wasn’t ...