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 ...

Have you ever experienced a sudden increase in heart rate while sitting, lying in bed or even during a calm moment at work? The feeling can be unsettling as it often comes without warning or a clear ...

February is American Heart Month, and heart specialists are focusing on the electricity that keeps the heart beating in rhythm. Every heartbeat is controlled by tiny electrical impulses that tell the ...

Less than 1 percent of cancers start in the heart, and disease that begins elsewhere seldom spreads to the blood-pumping ...

A mountain biker in his late 50s successfully overcame atrial fibrillation using a new heart procedure called pulse field ablation, as doctors report rising cases of the irregular heartbeat condition ...

New research from Australia overturns the old idea that exercise “uses up” heartbeats. It shows that fitter people actually use fewer total heartbeats each day thanks to their lower resting heart ...

Anil Oza is a general assignment reporter at STAT focused on the NIH and health equity. You can reach him on Signal at aniloza.16. Heart disease and cancer are the leading causes of death in the ...