Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

The body's tissues can get injured in many ways, but while some injuries heal perfectly, others don't heal at all. A cut in ...

Science writer Mary Roach chronicles both the history and the latest science of body part replacement in her new book. She also answers the question: Is it kosher to receive an organ donation from a ...

A new gene therapy can reverse the effects of heart failure and restore heart function in a large animal model. The therapy increases the amount of blood the heart can pump and dramatically improves ...

Everywhere scientists look for microplastics, they’ve found them — food, water, air and some parts of the human body. But examinations of our innermost organs that aren’t directly exposed to the ...