A bruise forms when small blood vessels under the skin break after an injury, causing blood to pool and discolour the area. While most bruises are harmless, deeper injuries can sometimes lead to blood ...

"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 ...

Hemophilia is a genetic condition that causes your blood to not clot correctly. This can lead to complications related to bleeding too much, including bruising easily. More serious complications of ...

Hemophilia, von Willebrand disease, anemia, leukemias, or a low platelet count can cause bruising. A person should contact a doctor if they are concerned about their bruising. Bruising is one of the ...

If you've ever participated in a contact sport, experienced a car accident, been part of a physical altercation, or bumped into a piece of furniture in the dead of the night, chances are you know what ...