Attention-deficit hyperactivity disorder (ADHD) is a diverse condition characterised by symptoms of inattention, hyperactivity and impulsivity; and can have a significant impact on patients’ lives.^1,2 This website provides educational resources intended for healthcare professionals outside the US and Great Britain & Northern Ireland with an interest in ADHD. It aims to share scientific advances in ADHD research and provide expert opinions and medical knowledge to support the healthcare professional community.