Add Yahoo as a preferred source to see more of our stories on Google. You can improve your heart health with a few easy steps if you are prone to arrhythmia. Patrick Pleul/dpa-Zentralbild/dpa Your ...

Add Yahoo as a preferred source to see more of our stories on Google. You know the feeling. When you first see your crush and your head starts spinning, your palms ...

It's a common yet uncomfortable sensation when the heart beats rapidly for a second or two and then becomes normal. Whether it occurs when one is resting, after going up the stairs, or even while ...

A new study shows that the sinoatrial node (SAN) -- a small but powerful structure in the human heart that serves as its natural pacemaker and initiates every normal heartbeat -- runs on different ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." How often do you think about your heartbeat? Probably not on the regular, unless you notice it when ...

To live is to have a heartbeat, which is why it makes sense for us living things to have a good understanding of our ticker. It’s well-known science that our hearts beat faster when we exercise and ...

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 ...

A person’s resting heart rate is often seen as a simple sign of health. Many people believe that a lower resting heart rate ...