The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Imagine an organ losing a piece of itself and then rebuilding enough tissue to return to its normal size. The liver can do it. Now imagine the opposite: a heart attack destroys heart muscle, but the ...

Many body parts can be transplanted or replaced with artificial equivalents, including corneas, livers, hearts, joints, and even entire faces. This technology will improve by leaps and bounds ...

Harvard medical researchers have discovered that donor hearts decades older or younger than their recipients start to look ...

It seems like every week, there’s a new headline about some kind of sci-fi-esque organ transplant. Think eyeballs, 3D-printed kidneys, pig hearts. In her new book, Replaceable You: Adventures in Human ...