Because solar purpura usually happens with aging and sun exposure, the skin around the bruises might show signs of damage and ...

But sometimes bruises appear for no obvious reason ... This is likely due to men having about 20% thicker skin than women and because aging women lose significantly more collagen than aging ...

Bruises happen when something like a bump damages the small blood vessels right under the surface of the skin. The blood vessels leak, creating a purplish welt. Normally, your blood will clot ...