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 ...

There are many muscles in the body that people desire to exercise so they can look and feel their best. However, one of the most important muscles may be overlooked in terms of healthy living plans.

Heart attacks remain one of the leading causes of death worldwide, affecting people of all ages and backgrounds. While medical advances have improved survival rates, knowing key facts about heart ...

Heart failure sounds alarming—and rightfully so. Yet approximately 6.5 million Americans currently live with this condition, many with the specific variant called systolic heart failure, and a ...

Originally appeared on the NOVA Web site Cut to the Heart. Sure, you know how to steal hearts, win hearts, and break hearts. But how much do you really know about your heart and how it works? Read on ...