Would you be more motivated to lose weight if you were offered monetary compensation? Photographer Andy Barron first appeared on "The Doctors" in October 2012 when Mark Foster, lead singer of the band Foster the People, rallied the rest of the band to motivate Andy to get his health back on track with The Foster Challenge. If Andy could lose 80 pounds in eight months, he would receive $20,000. See how Andy looks after losing 58 pounds! Plus, learn high-intensity CrossFit moves to achieve total body fitness.