2021
We can stop crediting endorphins, the natural opioid painkillers produced by our bodies, for the floaty euphoria we often feel during aerobic exercise, according to a nifty new study of men, women and treadmills.
Read on www.nytimes.com
CLEAR ALL
Mark Sisson, author of the 2009 bestseller, The Primal Blueprint, and de-facto leader of the primal/paleo lifestyle movement, expertly applies primal lifestyle principles to the unique challenge of endurance training and racing.