More Fitness & Exercise

This Is What Happens to Your Body During a Marathon

It also explains the science behind carbo-loading, bonking, and that elusive runner’s high.

Your Fitness Tracker Might Not Be as Accurate as You Think

New research says certain monitors may over- or under-estimate your burned calories.

Inspiration for Getting Your Hands Dirty This Summer

The delightfully upbeat Marcie Cuff wants the world to “stir up a partnership with wildness,” and is doing her part to make it happen. Here, the author and illustrator of the get-outside guide This Book Was a Tree—who’s also a biologist, teacher, and blogger—helps move us (and our kids) off the couch and on to greener pastures. 

7 Smart Picks for Summer Workouts

Whatever fitness path you take, these seasonal essentials can keep you on track. 

4 Scientific Ways to Make Your Workout Fun

Yes, it's possible to make exercise feel less like a chore—here's how.

A Workout You Can Do Anywhere

Memorize these five moves and you'll have a metabolism-boosting routine you can do anywhere.

7 Scientifically-Backed Ways to Boost Your Metabolism

Your metabolism keeps your heart beating, your blood flowing, your brain thinking, and your muscles moving. Is it any wonder it doesn't want to be rushed? Here's the skinny on how you might be able to speed it up—in spite of itself.

10-Minute Plank Exercise Routine

Want a total-body exercise routine that’s effective to its core? Try some planks.

Work Your Glutes With This QUICK Routine

Use any set of stairs, indoors or out, to complete this quick cardio workout.