It’s no surprise that so many Americans look like sumo wrestlers. They eat like sumo wrestlers! As this video explains, ordinary people from the East Asian countries, including Japan, eat a diet that is based heavily on steamed rice and vegetables. To pack on the pounds, sumo wrestlers eat a dish called chanko-nabe, which is high in fat. They also drink a lot of beer. The goal is to eat a lot more calories than they burn up in their training.