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 ...

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

The chambers of the heart operate as a ‘double-pump’ system for the body’s circulation. In coordination with valves, the chambers work to keep blood flowing in the proper sequence. The chambers on the ...

For decades, cardiology textbooks treated heart damage as permanent, a grim one-way street from heart attack to heart failure ...

A new gene therapy can reverse the effects of heart failure and restore heart function in a large animal model. The therapy increases the amount of blood the heart can pump and dramatically improves ...

The heart works tirelessly throughout life, pumping approximately 2,000 gallons of blood daily through a complex network of vessels that nourish every cell in the body. When this vital organ begins to ...

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 ...