Anemia, a condition marked by low levels of hemoglobin in the blood, affects nearly 2 billion people worldwide.

Each 2.54 square centimetre (a square inch) of human skin has six metres (20ft) of blood vessels. Veins hold about ... thousands of white cells and 250,000 to 450,000 platelets for blood clotting.

Vasculitis is a group of diseases, also known as angiitis, that damage blood vessels by causing inflammation ... are too many eosinophils, a type of white blood cell. The third phase is vasculitis ...

A broken blood vessel in the eye—called subconjunctival hemorrhage—causes a red spot on the white part of your eye. It is a ...

A broken blood vessel in the white part of the eye ... Refrain from exerting any form of pressure. Should a black eye, pain ...