New research to be presented at this year’s European Congress on Obesity (ECO 2025, Malaga, Spain, 11-14 May) shows that the proportion of adolescents living with overweight or obesity in England has increased by 50% from 2008-2010 (22%) to 2021-2023 (33%). The research, presented in two studies, is by Dr Dinesh Giri, Consultant Paediatric Endocrinologist, Bristol Royal Hospital for Children and Honorary Senior Lecturer, University of Bristol, Bristol, UK, and Dr Senthil Senniappan, Consultant Paediatric Endocrinologist, Alder Hey Children’s Hospital, Liverpool, UK, and colleagues.