From sprints to incline walking, the data shows which workouts burned the most fat – and it's good news for runners ...

Hedy Phillips is a freelance lifestyle writer based in New York. While she's not writing on topics like living on a budget and tips for city dwelling, she can usually be found at a concert or ...

You've probably heard about it or even tried it: waking up early, with just a glass of water in your system, and hitting the pavement, hopping on a bike, or stepping onto the elliptical. The promise ...

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. Fasted cardio is ...