5 surprising, myth-busting facts about high-intensity interval training

HIIT may have seemed like just another workout trend, but sports medicine doctor and fitness instructor Jordan Metzl, MD, says its benefits are so powerful, he prescribes it.

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Photo: Stocksy/Aleksandar Novoselski

“I’m an Exercise Physiologist—Here’s Why You Shouldn’t Worry About Cortisol Spikes When You Do HIIT Workouts.” 

There’s a difference between chronic stress and making your body work during workouts.

woman sweating in the gym
Stocksy: Julia and Rob campbell

The 5 Best Pilates Exercises to Improve Flexibility

Stretch your limits with these gentle movements.

Unrecognizable woman stretches arms to legs while stretching on yoga mat on wooden floor of an outdoor terrace.
Photo Credit: Stocksy / Alexander Grabchilev