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 ...

One simple number could reveal more about your long-term health and longevity than you ever imagined.

Every person walking, sleeping, or sitting still right now depends on a muscle that contracts roughly 100,000 times before ...

Your heart rate can tell you a lot about your fitness and cardiovascular health. Your heart beats consistently, day in and day out, but you may not generally pay close attention to it. You might take ...

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 ...

Thanks to the proliferation of smartwatches and fitness trackers, it’s never been easier to log your heart rate while running: Simply don the device, start your workout, and watch those beats per ...

Consistently high heart rate may signal dehydration or poor recovery. Resting heart rate indicates fitness; healthy ranges are 60–100 bpm, 40–50 for athletes. Consistently high or very low heart rates ...

Your next heart-rate monitor may not be a smartwatch at all. Google's latest research hints at a surprisingly simple ...