The first results have been revealed from a massive study testing a new algorithm designed to detect irregular heart rhythms using data from smartwatches and fitness trackers. Enrolling nearly half a ...

Polar isn't as big a name in fitness watches as competitors like Garmin, but it believes it has a way to extend its footprint: license its technology to those rivals. The company is now making 25 ...

For many, fitness trackers have become indispensable tools for monitoring how many calories they've burned in a day. But for those living with obesity, who are known to exhibit differences in walking ...