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 ...

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 ...

Heart disease can be silent, but what if your body sends signals — other than overt symptoms like chest pain — that you’re at risk? One potential sign is right on the side of your head. It takes just ...