A growing body of research suggests that the traditional heart rate zone system used by most fitness trackers may not ...

That’s where pulse oximeters come in. These small devices measure your heart rate and SpO₂. They give you another way to understand how your body responds during exercise and recovery. Also, they may ...

Wrist pulse oximeters can look similar, making it hard to decide which one to buy. This in-depth guide covers everything you need to know to find your best fit.

Google's new minimalist $100 Fitbit Air offers plenty of health and fitness data, without the pricey subscription of an Oura Ring or Whoop band.

Energy policy negotiations have been among the trickiest for lawmakers to settle in recent sessions, and the divide between ...

Google Health has just launched a CLI, allowing users and developers to access their health data and build tools like ...

Nancy Wells crossed the finish line of the 2025 Glass City Half Marathon in Toledo, Ohio, feeling elated. That in itself wouldn’t be unique—for one, the now 55-year-old has run over 60 marathons and ...

I tested them against the Apple Watch and the Polar chest strap to find out whether you can trust them for your workouts.

A football match is not a consistent 90-minute effort, but a series of stops, starts and sprints. Your training should reflect that, as our senior fitness writer Harry Bullmore found out when he ...

In order to help with that, I’ve created a leaderboard to identify some hitters we can be targeting in all league types. I took all hitters who had at least 40 plate appearances in May and then took ...

MAASTRICHT, the Netherlands—Resting heart rates that are lower or higher than 60-69 bpm signal elevated risks of stroke among individuals with no prior history of stroke or atrial fibrillation (AF), ...

Compare Apple Watch, Garmin, Oura, Samsung, Withings, Huawei, and Evie Ring in the race to bring blood sugar data to wearables. Wearables used to be all about steps, workouts, and heart rate. Now, the ...