Waking up in the morning with a bruise you don't remember causing is not unusual for anybody. But if this starts to happen more and more often, or if you start to develop bruises from seemingly minor ...

Ramming a shin into a coffee table. Bumping a knee into that rod under your desk. Taking a tumble off a bike. These things tend to hurt like [redacted], so you probably won’t be surprised when you ...

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 ...