That means we shed a whole layer of outer skin every two to four weeks, or 1,000 bodies worth in a lifetime. And underneath your skin lies a vast network of blood vessels. Spread out, this network ...

The way we bruise is shaped by a complex blend of biology, lifestyle and health conditions. Understanding why bruising happens, and why some experience it ...

To get a bruise, you have to be hit by something ... t as much fat beneath the skin. That layer of fat you had when you were younger helped cushion the blood vessels from blows.