From Apple Watches to Fitbits to treadmills, there are more ways than ever for people to keep up with their vitals. So why does so much fitness tech check your pulse? Because your resting heart rate ...

That subtle thumping you feel in your wrist or neck is more than just the rhythm of life; it's a vital sign that can offer valuable insights into your heart health. Your resting heart rate (RHR), ...

If you own a wearable fitness tracker, you’ve likely seen a category referring to your resting heart rate. As the name implies, it measures the number of times your heart beats per minute while you’re ...

You track your VO2 max and working heart rate, but this underrated biometric may tell you more about your heart and long-term ...

You’re familiar with the feeling of your heart pounding in your chest, your blood pulsing through your veins with increasing frequency when you’re scared, stressed, or sweating it out at the gym.

NEW HAVEN, Conn. (WTNH) — A landmark national clinical trial is underway for patients with a high resting heart rate. A team at Hartford HealthCare’s St. Vincent’s Medical Center is the first to ...

Clear signs your heart is healthy: key body signals, vital tests, and essential metrics to know—a detailed guide to understanding your heart health. Your heart works around the clock, powering every ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...