Children and adolescents who have suffered from severe weight gain prior to 5 years of age and who are seen in the Genetic Disorders of Obesity Program at Texas Children are asked to participate in a prospective, observational study. The investigators collect demographic information, body measurements, medical/family history, as well as other questionnaires. Additionally, genetic information, medical lab results, and responses to treatment options are collected. The goal of the study is to determine if the investigators can better understand which children would benefit from testing and further workup as well as to understand how obesity develops in these children and adolescents.
