How accurate are fitness trackers? Today, keeping track of your health is more within reach than ever with the widespread ...

The budget-friendly gizmo also monitors calories burned, steps walked, heart rate, and even how well you slept.

Your Fitbit may act reliably most of the time, but you’ll need to know how to unpair and reset it if it starts acting up. There are also occasions when you may want to give your Fitbit tracker ...