2.5 billion. No, it's not how old the Earth is. It's the average amount of times the heart beats in a lifetime, according to the American Heart Association. A quick review on this important organ: The ...

Carley is a writer, editor and social media professional. Before starting at Forbes Health, she wrote for Sleepopolis and interned at PBS and Nickelodeon. She's a certified sleep science coach and ...

Whether due to stress or an intense cardio workout, most of us have felt our heart racing from time to time. A rise in your heart rate can be perfectly normal given outside circumstances. However, ...

A normal resting heart rate (RHR) can vary significantly among individuals, hinting that it’s not always between 60 and 100 beats per minute, a new study finds. The heart is a vital organ, pumping ...

Kristi is a registered nurse with over 15 years of experience caring for both adult and pediatric patients at the beside. She worked as a Pediatric Intensive Care Unit RN for the first 4 years of her ...

In this era of fitness trackers, we have easy access to our heart rate at any given moment. Every so often, a number catches your eye as it flashes on your Garmin or Apple Watch while you're sitting ...