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A racing heart is usually a sign of agitation or excitement. But if it's not unusual for your heart to beat too fast or to skip a beat, it might be worth having it checked out by a doctor. In order to ...

Get a deeper understanding of the health metrics your smartwatch measures for you, so you can make full use of them.

Heart rate zones are a way to describe how hard you're working during a cardio workout, like running or cycling. The faster ...

Garmin has unveiled the all new Descent™ G2, a rugged watch-style dive computer with features to help divers explore both ...

Google says the Pixel Watch 3’s loss of pulse feature relies on three core metrics. The first is, sensibly enough, that the optical heart rate sensor on the back of the watch appears to detect ...

They weigh the same, use the same coin cell battery, are both waterproof and safe for swimming, use an ECG (electric pulse) for heart rate measurements (rather than optical), and provide highly ...

From stress-reducing blues to grounding earth tones, these expert-approved shades do more than just look pretty.

Netflix's new medical drama Pulse has earned its place in the streamer's most-watched chart despite receiving ... review has branded the series "heart-pounding and insanely addictive", Decider ...

The readings were pretty much the same as my other ring finger, though, so I left this data off my results chart for clarity ... with readings like resting heart rate, heart rate variability ...

Inflation risk has been a significant topic of discussion in the mainstream media for the last few years. Click to read.

Like most modern wrist wearables, that ECG sensor uses LED lights to monitor your heart rate and pulse transit time (PTT). The rear PPG passively determines blood oxygen levels as well.