Why Hard Exercise Feels Worse When You’re Alone

Runners Essentials

Alex Hutchinson • New research explores why you go slower and feel worse, even though you’re pushing as hard as usual. This will go down as the Year of the Solo Running: Michael Wardian running around...

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.