Don’t get me wrong, wrist-based heart rate tracking on smartwatches has improved loads over the years, but if you do anything ...

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 ...

Calculate your target heart rate zone and work to stay in the middle of that zone while you’re doing your cardio. Here’s how you do it: According to the American Heart Association, a person’s target ...

That little number on your fitness tracker might be more important than you realize. Your resting heart rate isn’t just some random vital sign. It’s essentially a window into how efficiently your ...

Researchers have identified bradycardia—an abnormally low heart rate—as a symptom of xylazine-opioid overdose. This ...

Your heart rate naturally slows down before you conk out at night to shift your body into a rest and repair state. But everyone moves into this slower heart rate at different speeds, and there’s some ...

A US federal appeals court has handed Apple a significant victory in its long-running legal dispute with AliveCor. Here are all the details.

These days, everyone from the average Susan to the hardcore data-loving wellness enthusiast has the technology to track just about anything in the name of self-optimization. A ring wearable tells you ...

Key Takeaways Strong heart health means your heart and blood vessels, aka your cardiovascular system, are working efficiently ...