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 ...

In mice, blocking heart-to-brain signals improved healing after a heart attack, hinting at new targets for cardiac therapy.

When the heart's muscle is weakened or injured due to a heart attack, it can make it hard for the heart to pump enough blood ...

This unexpected ability opens the door for scientists to stimulate cellular mitosis and improve heart function after an attack.

In a surprising discovery, scientists have found that the heart possesses 'sweet taste' receptors, similar to those on our tongues, and that stimulating these receptors with sweet substances can ...

Australian researchers have uncovered a crucial new mechanism that helps explain how the heart's major blood vessels form ...

Surgeons have developed two low-cost techniques to revive the hearts of people who wish to donate their organs after they die. The methods have been tested on only a small number of people, but they ...

University of California San Diego-led team has discovered that restoring a key cardiac protein called connexin‑43 in a mouse ...

The heart is well-placed in the upper torso to serve the major organs, which are arranged like satellites around it. It isn’t displaced as far to the left as some people might imagine. However, it is ...

Science writer Mary Roach is fascinated by the human body, especially, she says, the "gooey bits and pieces of us that are performing miracles on a daily basis." Take the human heart, for instance. If ...