POVEDA, Elpidia et al. Leptin levels in school age children associated with anthropometric measurements and lipid profiles. Biomédica [online]. 2007, vol. 27, n. 4, pp. 505-514. ISSN 0120-4157. Introduction. Leptins are proteins that regulate body weight. Their concentrations are modified depending on several factors including metabolic status, diabetes mellitus type 2 and cardiovascular diseases. Objective. The leptin concentrations were measured in Colombian children and related to age, sex, body mass index, triceps