One arm is more likely that the other to hurt during a heart attack. It's the arm that shares nerves that branch from the ...

T he 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 ...

Discover how targeted exercises, nutrition changes, and consistency can transform flabby arms into toned muscles faster than you thought possible.

Chest pain, often mistaken for a heart attack, can also be a sign of a less severe condition, if properly managed. It is caused by reduced blood flow to the heart.

Cardiac muscle tissue, or myocardium, is a type of muscle tissue that forms the heart. It contracts and releases involuntarily and keeps the heart pumping blood around the body.

In TODAY.com's Expert Tip of the Day, a cardiologist explains why neglecting your "second heart" can lead to health ...

The first patient has been dosed in a clinical trial testing Sardocor's one-time gene therapy for cardiomyopathy associated ...

Angina happens when one of the heart’s blood vessels is blocked and temporarily deprives the heart muscle of blood and oxygen, causing chest pain. If you feel like someone is squeezing your ...

Should you be taking a toothache to heart? Dental issues are among several surprising symptoms of a heart attack, according to Dr. Guruprasad “Guru” Srinivas, director of Cardiac Rehab at ...

Regular exercise and physical activity are important for heart health, especially as a person ages. Exercise can help reduce the risk of heart disease and strengthen the heart muscle. As a person ...

Breaking out in a cold sweat without physical exertion or heat is a warning sign that many people overlook. During a heart attack, the body releases stress hormones like adrenaline, which can cause ...