We used pupil-level data from the National Pupil Database in England to conduct a longitudinal analysis of the identification of moderate learning difficulties (MLD) and social, emotional, and mental health difficulties (SEMH) among 550,000 pupils ages 5 to 11 years. Survival analysis was used to determine the hazard ratios (HRs) for time to first…

Adolescence is an important period of physical, social, psychological, and cognitive growth. No longer children and not yet adults, adolescents make significant choices about their health and develop attitudes and health behaviors that continue into adulthood. Substance use disorders among adolescents can impede the attainment of important…