Fitbit has rolled stress tracking features out to all of its existing devices, as the company makes a play for mindfulness. The announcement was made during James Park’s keynote for the launch of the ...

It's no surprise that Fitbit's been planning a major update to its fitness trackers. And about time, too. The two-year-old Charge and three-year-old Flex are in dire need of a tune-up to help the ...

Activity trackers, like Fitbits, are not accurate enough for clinical use but may be helpful for coaching in conditions like COPD, a study says. As more patients with COPD receive recommendations to ...