The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Researchers at the University of California, Santa Cruz have found a low-cost way to track heart rate via Wi-Fi and a simple ...

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.

Is a Slow Heart Rate Dangerous? Just as an increased heartbeat can be problematic, a decreased heartbeat is also a dangerous ...

Whoever we are, whatever we’re doing, we have a measurable heart rate. It’s a pretty clear sign of being alive. But what should your heart rate be when exercising? When we exercise, our heart rate ...