21 Sneaky Signs You Had a Successful Workout

21 Sneaky Signs You Had a Successful Workout

Runners Essentials ·

21 Signs of a Successful Workout That Have Nothing to Do With Sweat or Soreness Cindy Kuzma • It’s not always easy to gauge whether you’ve had a successful workout—and that’s especially true if you’ve been...

Do Vitamins Work?

Do Vitamins Work?

Runners Essentials ·

Scott W. Tunis MD FACS  |  An absolute deficiency of any of the 13 essential vitamins or essential trace elements is incompatible with life.