A clinical study by researchers at Karolinska Institutet and Karolinska University Hospital in Sweden shows that the hunger hormone ghrelin can increase the heart's pump capacity in patients with ...

Researchers at Rochester Institute of Technology are developing technology that will be able to determine the lifespan of a heart valve with more precision. “It’s almost like a check engine light on ...

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 ...