Looking for an alternative to Google Fitbit Air? These five screenless fitness bands offer health tracking, sleep analysis ...

The Frontier X2’s accurate metrics and helpful screen more than make up for its busy app.

Beatcast shows live heart rate from AirPods Pro 3 or a chest strap on the Lock Screen, and it now has a separate layout for ...

Migrating birds that breed in the Arctic are spreading avian influenza to polar bears in eastern Greenland, according to a ...

Polar Loop can now officially be worn on the biceps, while several new bands for the wearable are now available. This makes ...

The best fitness tracker overall is the Fitbit Charge 6 , which functions primarily as a fitness tracker but offers a few ...

We tested the best heart rate monitors so you can focus on the miles, not the math.

Not yet sold on smartwatches for exercise tracking? Use this monitor instead (and get it for 20% off right now).

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. What Apple says about ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A very strong El Niño could interact with the polar vortex this winter, ...

These sensors are stronger than previous generations, and they allow the Apple Watch to take more frequent heart rate and heart rate variability measurements. The Health Sensing System is a key ...

Apple wasn't kidding when it claimed that the Apple Watch Series 12 has the best heart rate accuracy of all wearables, but the extensive study also shows just how close some key rivals are under ...