The Greeks observed the ebb and flow of tides in the Aegean Sea (which Homer called the “wine-dark sea”) and inferred that a similar to-and-fro motion of blood operated within the human body. That ...

The human body is a walking wonder—packed with secret features, bizarre abilities, and mind-blowing facts that most people ...

Day and night, the muscles of your heart contract and relax to pump blood throughout your body. When blood returns to the heart, it follows a complicated pathway. If you were in the bloodstream ...

A new study has revealed that microplastics, which are increasingly found in food and the human body, may cause dangerous ...

Cardiovascular disease can obviously increase the risk of a heart attack, but it can also increase the risk of ...