At home after work, meat grinder Kelvin Lester grills hamburger patties, well-done, for the family's supper as his adopted daughter Kiara looks on. (From the book What I Eat: Around the World in 80 Diets.) The caloric value of his typical day's worth of food in June was 2,600 kcals. He is 44; 5 feet 11 inches and 195 pounds.