Fitness Tracker – Safe To Wear All The Time?

Fitness trackers — such as the FitBit, Jawbone UP24 and Nike+ FuelBand — collect data about your activity levels and sleep patterns, then send the information to your computer or smartphone via low-level radio-frequency waves. “We have no information whatsoever on the long-term health effects of wearable fitness-tracking devices,” says Devra Davis, PhD, MPH, an epidemiologist …