What are called autoimmune diseases can affect just about every part of the body — and tens of millions of people. While most ...

A new scientific paper has stirred public curiosity — and a bit of anxiety — by suggesting that miniature “primordial” black ...

Every second, trillions of tiny parcels travel through your bloodstream—carrying vital information between your body's cells.

The number of traumatic amputations is rising worldwide—caused by road traffic accidents, accidents at work or during leisure ...