Woman’s mysterious hand bruises lead to unexpected medical explanation.

Normal bruises happen to active, healthy children and usually go away in around two weeks. Unexplained bruising in children can be a sign of a medical issue, like a blood disorder or vitamin K ...

If you see bruising on your body but didn't sustain an injury, you could be missing out on key nutrients in your diet. The most common causes of frequent or unexplained bruising are vitamin ...