A fast heartbeat can be caused by emotions like stress or anxiety. Dehydration, or drinking caffeine or other stimulants, can ...

Middle-aged folks who don't exercise are putting themselves at risk of life-threatening complex heartbeat irregularities, a new study says. Adults 40 to 65 with low fitness levels had a 52% increased ...

It's essential to seek emergency care if a rapid heartbeat is paired with confusion or chest pain. ER treatments for tachycardia include medications and electrical cardioversion. Managing stress and ...

Getting back to exercise after months of inactivity can feel like picking up where you left off. But your heart and ...

Most fitness trackers offer a wealth of heart-rate data. Here’s how to make sense of it. By Talya Minsberg If you wear a smartwatch or fitness tracker, you likely already have access to a steady ...

A resting heart rate between 60 and 100 beats per minute (bpm) is considered normal for most people, according to the American Heart Association (AHA). If your resting heart rate is over 100 bpm, you ...

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 ...

Q: I'm a 55-year-old man, and I have been active all my life. I know target heart rates are based on age and was surprised that my heart rate while running is often between 150 and 195. Should I slow ...

Forget the myth that exercise uses up your heartbeats. New Australian research shows fitter people use far fewer total heartbeats per day - potentially adding years to their lives. Athletes had an ...

Sudden unexpected infant deaths now drive over a third of the Black-white infant mortality gap, a JAMA study shows. Safe sleep steps inside. Novo Nordisk Licenses Experimental Once-Weekly Obesity Pill ...