Track your heart rate, steps, and more as you get your exercise in each day.

Your sleep data is screaming long before you feel exhausted, and three red flag metrics consistently predict trouble. I focus ...

From strength training to sleep and recovery, these wearables stood out for turning raw data into useful action.

At the CES event in Las Vegas this week, Fitbit unveiled a new Bluetooth Smart-enabled, wrist-worn activity tracker, called Fitbit Flex. Like most of Fitbit's other trackers, the Flex also promises to ...