When it comes to marathon training, more has always seemed better: more mileage, more workouts, more weekly runs. But new research suggests that how you time that training load matters just as much as ...

For years, fitness experts and athletes have debated whether morning or evening workouts produce better results, but new ...

There’s a lot of talk in the exercise world about high intensity interval training (HIIT) lately, which is exactly what it sounds like — alternating episodes of exercise with periods of less intensive ...

Think you always need long, slow strength sessions to build strength and burn fat? Think again. New research suggests that high-intensity circuit training—workouts that pack multiple strength moves ...

Serrano is a contributor for TIME. Serrano is a contributor for TIME. Imagine there was something you could do that would not only improve your mood, cognition, and energy, but also lower your chances ...