The doctor shared his tips on how to burn more calories in the gym, outdoors, or at home ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. One of the benefits of ...

Women setting up the fitness smart watch for running. Young fitness women runner checking time from smart watch. Young woman checking heart rate while jogging in the park. We all know that fitting in ...