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 ...

'Real Housewives' Star Undergoes Heart Surgery at 54 originally appeared on Parade. Real Housewives of New Jerseystar Dolores Catania underwent heart surgery after doctors diagnosed her with atrial ...

Dr. Robert Jarvik created the first artificial heart used in humans He's died from complications of Parkinson’s disease at age 79 While his devices extended lives, they sparked many ethical debates ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...