Menstrual cycle phases influence heart autonomic regulation, showing HRV variations, yet muscle performance and mood states ...

Millions of people around the world wear smart rings and fitness trackers to keep tabs on their sleep, workouts, heart rate ...

Amazon cut the Fitbit Charge 6 twice in less than 24 hours. The result is its record low at nearly 50% off, on a tracker with ...

Wearables now flag everything from irregular heartbeats to dips in blood oxygen, but the data is only as useful as a person's ...

Amazon just priced the Inspire 3 below the no-name trackers competing with it on the same platform.

Most people do not need a $400 smartwatch. The Fitbit Inspire 3 tracks sleep, stress, heart rate, and activity for ten days on a single charge, and it just dropped to within a few dollars of its ...

"Biofeedback helps you make slight changes in your body, such as relaxing muscles, to help relieve pain or reduce tension." ...

After closing tracking health trends ranging from stress to sleep scores, one reporter also turned to experts help explain the data.

In our efforts to keep our brains healthy, how do we know what is working? Helen Thomson explores a new generation of tests ...

My hair is soaked. Sweat pours down my face. Pedalling madly at my first-ever cycling class at age 63, I am exhilarated and appalled. This is what vigorous exercise feels like?

Consumer wearables are evolving from passive stress monitors into read-write systems.

An electronics industry association report projected that the U.S. would surpass 100 million smart wearable users for the ...