A fast heartbeat can be caused by emotions like stress or anxiety. Dehydration, or drinking caffeine or other stimulants, can make your heart beat fast. More serious conditions like heart arrhythmia ...

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 ...

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 ...

Dear Doctors: I wound up in the emergency room with a heart arrhythmia. It kept beating too fast, too slow and skipping beats ...

See more of our coverage in your search results. Make New York Post a Preferred Source You know the feeling. When you first see your crush and your head starts spinning, your palms get sweaty, and ...

HHS unveiled a new Alzheimer's and dementia plan in Fort Lauderdale focused on prevention and early detection. Here is what is promised and proven. Final CDC Data Put U.S. Fertility Rate at Record Low ...

What Is a Heart Rate? Your heart rate is the number of times your heart beats in 1 minute. Heart rates vary from person to person. It’s lower when you’re at rest and higher when you exercise. Knowing ...

Imagine if your smartwatch didn’t just tell you how many steps you’ve walked or calories you’ve burned, but how many heartbeats you’ve “spent” each day. According to a recent study, that number might ...