Attention deficit hyperactivity disorder (ADHD) [1] is a neurodevelopmental disorder characterised by symptoms of inattention, hyperactivity, impulsivity, and emotional dysregulation that are excessive and pervasive, impairing in multiple contexts, and developmentally inappropriate. [8] ADHD symptoms arise from executive dysfunction. [17]

ADHD is the most commonly diagnosed mental disorder in children. Find out the symptoms in children and adults, types, causes, diagnosis, treatment, and outlook.

ADHD, or Attention Deficit Hyperactivity Disorder, is a neurodevelopmental disorder that affects both children and adults. It is characterized by signs such as difficulty with focus, hyperactivity, and impulsivity.

ADHD çoğunlukla fiziksel veya zihinsel bir sağlık sorununa bağlı olarak ortaya çıkar. ADHD'nin altında yatan pek çok farklı neden olsa da genetik aktarım bu sorunda %75'lik bir rol oynar.

ADHD symptoms can present as mostly inattentive, mostly hyperactive-impulsive, or a combination of both types of symptoms. If you think your child might have ADHD, the first step is to talk with a healthcare provider.

Signs of ADHD aren’t as easy to spot in adults as in children. Read on to discover some of the main signs and symptoms of ADHD in adults.

NIMH researches attention-deficit/hyperactivity disorder (ADHD). Find resources on the signs and symptoms of ADHD and potential treatments and therapies.

Learn about ADHD including symptoms, risk factors, treatment options and answers to your questions.

ADHD symptom tests, ADD medication & treatment information, behavior & discipline advice, school & learning, organization help & more for families and individuals living with ADD/ADHD and comorbid conditions.

While the exact cause of ADHD is not clear, research efforts continue. Factors that may be involved in the development of ADHD include genetics, the environment or central nervous system conditions at key moments in development.