Beats just released its long-anticipated Powerbeats Pro 2. Despite several new features — including the H2 chip, wireless charging support, ANC and Transparency modes, and a more secure earhook design ...

This is the ultimate heart rate variability deep dive—nuanced, practical, and funny. I'll even share a story involving Andrew ...

Your heart rate is one of the most standard yet essential health metrics. Soon, it may be easier to measure. Imagine checking your heart rate without strapping on a smartwatch or chest monitor. This ...

I'd been wearing my AirPods Pro 3 for months without ever touching one of its headline features. I remember sitting through Apple's September keynote when the company announced the heart-rate tracking ...

Are you using your smartwatch's heart rate monitor?Hello, I'm Nasuzaki. I am currently working as a nurse and public health nurse.I have a question for those who own a smartwatch.Are you looking at ...

Smartwatches have made heart rate and blood oxygen saturation (SpO₂) tracking part of everyday life. And to be fair, they are useful for most people who want to monitor their activity. However, if you ...

Wearable devices like smartwatches and fitness trackers have revolutionized the way we monitor our health. Worn around the clock, these devices quietly collect valuable data—from heart rate and blood ...

Rural hospitals made up a larger share of 2026 layoffs as closures slowed. About 720 rural hospitals remain at risk of closing, raising access concerns. If Passed, Idaho's Proposition 1 Would Allow ...

Healthy hearts are adaptable, and heartbeats exhibit complex variation as they adjust to tiny changes in the body and environment. Mass General Brigham researchers have applied a new way to measure ...