The age of the obesity onset is a very important factor for the development of metabolic complications and cardiovascular risk in children and adolescents with severe obesity. - Szczudlik E; Stępniewska A; Bik-Multanowski M; Brandt-Heunemann S; Flehmig B; Małecka-Tendera E; Mazur A; Petriczko E; Ranke MB; Wabitsch M; Zachurzok A; Wójcik M (European journal of pediatrics, 2024)