Solange Da Silva Correia prepares her family's fish dinner by the light of an oil lamp at the kitchen window of their riverside farmhouse near the town of Caviana, Amazonas, Brazil. (From the book What I Eat: Around the World in 80 Diets.) The caloric value of her day's worth of food on a typical day in the month of November was 3400 kcals. She is 49 years of age; 5 feet 2.5 inches tall; and 168 pounds. With no indoor plumbing, she tackles anything messy on an overhanging counter, letting chickens and dogs clean up the scraps below.