> Mariel BoothThe Model StudentCalories: 2400, Country: USAHer 2,400 calories could rise or fall depending on whether she’s indulging in comfort foodwith her boyfriend or slimming down for a modeling job. MiyabiyamaThe Sumo WrestlerCalories: 3500, Country: JapanTo achieve his fighting weight, the mountain of a man spent years force-feeding himself many more calories than the listed 3,500. Now it takes fewer calories to maintain his 400-pound bulk. During the week of his interview, he was in training for a tournament—one of six big yearly matches—so he wasn’t drinking alcohol or eating at restaurants with sponsors of his club. His calorie count would have been higher at those times.