title: [Researching about food security and nutrition in Brazil: what is the purpose?].
authors.affiliation: Departamento de Nutrição Social, Instituto de Nutrição, UERJ. lucastro@globo.com
authors.forename: Luciana Maria Cerqueira
authors.initials: LM
authors.lastname: Castro
mesh_terms: D001938:Brazil; D005502:Food; D052756:Nutritional Sciences; D012106:Research; D012449:Safety