Heart rate is one of the most valuable physiological metrics for runners because it provides objective real-time insight into how hard your body is working. Unlike pace or distance, which are external ...

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 ...

Congestive heart failure (CHF) is a condition that affects over five million Americans. For people over the age of 65, it is the most common diagnosis when they are hospitalized. One in nine deaths ...