The surprising running trick this Broadway star relies on for instant energy

"Phantom of the Opera" star Kelly Grant swears running between Broadway shows helps her fight fatigue more than napping. Here's the science behind her hack.

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Photos: Phantom of the Opera

If Your Fitness-Focused New Year’s Resolution Isn’t Working, Try These 5 Expert-Backed Tactics

New Year's resolution not working out for you? Don't stress. Try these five New Year's resolution alternatives backed by experts.

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Photo: Stocksy/ZQZ Studio

4 Beginner Treadmill Workouts for When It’s Too Cold to Get Your Steps Outside

Can't get your steps in outside? Don't worry: Try one of these expert-backed beginner treadmill workouts instead.

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Photo: Stocksy/Bo Bo