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 ...

Pioneering research by experts at the University of Sydney, the Baird Institute and the Royal Prince Alfred Hospital in ...

Researchers have developed a new therapy that can be injected intravenously right after a heart attack to promote healing and prevent heart failure. The therapy both prompts the immune system to ...

Elizabeth Cooney is a cardiovascular disease reporter at STAT, covering heart, stroke, and metabolic conditions. You can reach Liz on Signal at LizC.22. By its name and nature, heart failure doesn’t ...

Newborns with heart complications can rely on their newly developed immune systems to regenerate cardiac tissues, but adults aren't so lucky. After a heart attack, most adults struggle to regenerate ...

Side by side comparison of heart muscle cells with and without treatment. Damage to the cells is shown in blue. On the left, tissue has been injected with saline and the damaged area is considerably ...