What is the immune system? The immune system works to keep germs and other foreign substances out of the body and destroy any that get in. It's made up of a complicated network of cells and organs. It ...

A body was found at a Fort Worth elementary school on Friday. Authorities say the person died of natural causes, according to school officials. The identity of the body has not been released.

The body’s internal clock may play a role in how much ... an associate professor of psychiatry and human behaviour at Brown University in the US and one of the study authors, told Euronews ...