Over the course of evolution, the human heart has largely lost its ability to regenerate. Our distant ancestors were not ...

Heart health is about more than just the heart itself. It's a two-way street between the heart and the rest of the body. However, many U.S. adults aren't aware of the connection between organs.

A giraffe's long legs aren't just for height, they save energy by reducing how hard the heart works to pump blood upward ...

The human body has 78 organs, with the brain, heart, kidneys, liver, and lungs considered vital for survival. The article ...