Hints and Tips for Running and Biking in Paris

Hints and Tips for Running and Biking in Paris (and an impassioned plea at the end) It’s no coincidence that “endorphin,” the chemical produced by the brain during intensive, repetitive exercise like running, biking, rowing and swimming, seems to rhyme with “morphine” (an opiate pain reliever).  It is morphine, its name being a contraction of … Lire la suite de Hints and Tips for Running and Biking in Paris