From cycle health to nutrition tracking and more, Fitbit's personal health coach now supports several new features.

Some Fitbits are water-resistant, which allows you to wear them in the shower or out in the rain, for example. For swimmers, however, you will want a Fitbit that is specifically swim-friendly, as ...

Add Yahoo as a preferred source to see more of our stories on Google. The Fitbit app is free to use, but Fitbit Premium adds additional features to the tracker. You can pay for Fitbit Premium on a ...