Check out Dr. Derek Ochiai in this months Cosmopolitan Magazine. Yep you got that Cosmo! How Hard is Too Hard? Grueling workouts like CrossFit, Tough Mudder and endurance races maybe be all the rage, but too much of a good thing can backfire.
Check out Dr. Derek Ochiai in this months Cosmopolitan Magazine. Yep you got that Cosmo! How Hard is Too Hard? Grueling workouts like CrossFit, Tough Mudder and endurance races maybe be all the rage, but too much of a good thing can backfire.
