Fitness

Are You in Love with Your Instructor?

New research finally explains why you’re so obsessed with your group fitness class.

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Fitness

Raging Hormones

New studies suggest everything we know about muscle growth could be wrong. But are they right?

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Fitness

How Exercise Changes Metabolism

A new study shows that a single workout can boost calorie burn by altering DNA.

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Fitness

Are You Training or Trash Collecting?

A new study shows the benefits of exercise-stoked cellular clean-up.

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Fitness

The DNA Workout

Could genetic testing change the way you eat and exercise? An endurance athlete finds out firsthand.

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Fitness

The Truth Behind Barefoot Running

Sneakers are so yesterday. Should runners be taking it all off?

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