Regi began exercising because he wanted to get fit and lose some weight. Regi’s doctor and P.E. teacher helped Regi start an exercise program. But now Regi is using exercise as a way to burn calories whenever he eats too much. He’s exercising before school for an hour, then lifting weights for an hour after school, and then running for another hour after dinner. Regi has lost weight and isn’t looking very healthy, but he thinks he still needs to exercise harder. WHAT EATING DISORDER COULD THIS BE? :