Background Attention-Deficit/Hyperactivity Disorder (ADHD) prevalence rates are around 5-10% of school-aged children. We test whether medication use for ADHD decreases the likelihood of risky behaviour (sexual behaviour, alcohol, tobacco, and drug consumption) and injuries amongst children aged...

Attention-Defcit/Hyperactivity Disorder (ADHD) is young children's most common mental health disorder. We aim to provide causal estimates of the diferential costs for the non-adult population with ADHD. We used longitudinal administrative data covering the non-adult population over fve years and...