Let's get straight to the heart of the matter—the heart's job is to move blood. Day and night, the muscles of your heart contract and relax to pump blood throughout your body. When blood returns ...

If you clench your hand into a fist, this is approximately the same size as your heart. It is located in the middle of the chest and slightly towards the left. The heart is a large muscular pump ...

Anyone who has frequent heart palpitations and is taking medication should check the list of possible side effects on the label. A person will need to talk with a doctor before stopping any ...

National Library of Medicine. 10,000-8,000 B.C.E. The heart symbol, the popular icon for the heart, can be traced to before the last Ice Age. Cro-Magnon hunters in Europe use the symbol in ...