It has made the study of nutrition in 102 school children from poor class of Lima, aged 6 to 14 years, with the following results: From the clinical point of view it has been found in a high percentage of vitamin deficiency B complex, to a lesser extent anemic and other signs of undernutrition witness statements, due to poor nutrition, according to the survey practiced states. Almost 50% have been observed decreased size and weight compared with normal subjects of the same age. The biochemical analysis of the blood revealed a decrease in total protein and its fractions in almost all cases; in 67% hemoglobin levels were below normal. There is a marked percentage of children with accelerated sedimentation rate, unrelated to active pulmonary processes. We observed a marked hipoascorbinemia in almost all, according to the very poor intake of vitamin C from their food. Determinations of inorg...