Why hiking with a weighted backpack is worth the extra effort, according to exercise scientists
Open this photo in gallery: Young woman hiking in the forest with back packPIKSEL/Getty Images If you are like me, the words “wellness trend” by now generate a Pavlovian response where you grit your teeth, wince and anticipate hearing something weird. There is snail slime on the face, peptides in the buttocks or, gulp, wellness…