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 ...

Our heart is an incredible organ, working tirelessly every second of every day to keep us going. And one of the simplest, yet most insightful, metrics it offers about its health is your resting heart ...

We may earn a commission if you make a purchase through one of our links. McClatchy newsrooms were not involved in the creation of this content. As you grow older, your health issues can increase, and ...

Fainting represents one of the body’s most dramatic protective mechanisms – a sudden, temporary loss of consciousness that looks alarming but often serves a vital purpose. This phenomenon, medically ...

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 ...