Smartwatches and wearable heart monitors can help detect issues such as irregular heart rhythms. But they also have limits ...

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 ...

As a tech expert, I test for two things when trying out a new upgraded release—first, what exactly are the new features, and two, are they good enough to warrant purchasing a new version of the ...

I felt fine, but my Whoop data told a different story. Paying attention led to early detection and a successful treatment.

This article was made possible by the support of Yakult and produced independently by Scientific American’s board of editors. Earlier this year I got an Oura ring to track the state of my health. Soon ...

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 ...

As a tech expert, I test for two things when trying out a new upgraded release—first, what exactly are the new features, and two, are they good enough to warrant purchasing a new version of the ...

Nurse scientist Linda Park, PhD, uses NIH funding to study cardiac rehab and digital tools—like pedometers and apps—to motivate post-surgery patients and prevent health decline.

The HMD Pulse 2 is tipped to feature an 8-megapixel front-facing camera with an f/2.0 aperture. It is said to be available ...