This piece by Suhliana Costa won second place in the Health and Science Journalism Workshop for high school students. Fitness trackers are becoming a common tool for people looking to improve their ...

Fitness trackers often fail people with obesity by underestimating their energy burn, leading to discouraging results and misguided health data. A scientist's frustrating experience in an exercise ...

Polar started teasing its Polar Loop wearable back in June. Like the similar-looking Whoop fitness tracker, the idea was simple: a fitness tracker you can wear 24/7 but without the constant ...

The best fitness trackers can tell you a lot about your overall health — designed to be worn 24/7, they’ll track your heart rate, daily activity levels, calories burned, and how well you sleep. And ...

Study identifies the major downside of wearing a fitness tracker - Researchers say apps should have a more holistic approach ...

From hydration to ovulation, health trackers keep tabs on nearly 1 in 4 Americans. But wearable devices like these are just one piece of the ever-expanding medical “internet of things” — a universe of ...

As sales soar, some say trackers can help animal anxiety or weightloss while others advise leaving diagnoses to the vet ...