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 ...

Anatomically, cardiac rupture occurs at the intersection between injured and healthy cardiac tissue. This region is referred to as the borderzone. The conventional view is that increased mechanical ...

Johns Hopkins Medicine scientists who arranged for 48 human bioengineered heart tissue samples to spend 30 days at the International Space Station report evidence that the low gravity conditions in ...

Researchers created a dissolvable microneedle patch that delivers IL-4 directly to damaged heart tissue, jump-starting repair after a heart attack. The targeted approach shifts immune cells into a ...

Newborns with heart complications can rely on their newly developed immune systems to regenerate cardiac tissues, but this isn’t the case in adults. After a heart attack, most adults struggle to ...