Researchers discovered a feedback loop between nerve cells, the immune system and the heart. They think it shows promise as a ...

Arteries become clogged. Blood flow is restricted and oxygen is cut off. The result is a heart attack, the world's leading ...

Heart attacks are often thought of as a plumbing issue, the result of a blockage preventing blood from flowing through one of ...

This is the part of your peripheral nervous system that controls the muscles of organs without you having to think about it. Your autonomic nervous system lets your brain manage vital functions, such ...