"super size me" after morgan spurlock ate nothing but mcdonald's for three months and became unhealthy, a high school science teacher says he lost 37 pounds in three months and lowered his cholesterol eating nothing but mcdonald's. he ate the big macs but kept it to 2,000 calories a day and started walking 45 minutes a day. take a look. there is his before and after pictures. they can always be faked. it's all about lating. . >> it's the calories that count. you are going to get a lot of fat. >> a lot of saturated fat. >> and the add exercise, that's the game changer. >> he is walking 45 -- right. >> and there is a new menu at mcdonald's.