If you’ve received a brand-new fitness tracker for Christmas, or have given yourself the admirable New Year’s resolution of getting fitter, then you’ll want to know how to use tech to achieve this ...

Putting on a fitness tracker feels like flipping the switch on a healthier, more active life. With every second of a workout tracked, every beat of your heart measured, and every toss and turn counted ...

As we get older, staying in shape gets so much harder. Those injuries that didn’t seem like a big deal back in the day come back to haunt us. Our metabolisms slow down — if I even look at a Mars bar, ...