Attention-Deficit / Hyperactivity Disorder (ADHD) | CDC
About Read about ADHD, its types, symptoms, possible risk factors, screening, treatment, and CDC's work.

ADHD: Symptoms, Types, Testing, and Treatment - WebMD
ADHD is the most commonly diagnosed mental disorder in children. Find out the symptoms in children and adults, types, causes, diagnosis, treatment, and outlook.

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

Attention-deficit/hyperactivity disorder (ADHD) in children
Attention-deficit/hyperactivity disorder, also called ADHD, is a long-term condition that affects millions of children. It often continues into adulthood. ADHD includes a mix of ongoing problems. These can include having a hard time paying attention, being hyperactive and being impulsive.

What Is ADHD? Meaning, Signs, Causes, And How To Cope
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.

CHADD - Improving the lives of people affected by ADHD
Children and Adults with Attention-Deficit/Hyperactivity Disorder (CHADD) is the nation's leading nonprofit organization serving people affected by ADHD.

Attention-Deficit/Hyperactivity Disorder (ADHD) - Cleveland Clinic
ADHD (attention-deficit/hyperactivity disorder) is a type of brain difference that can make it hard to pay attention, finish tasks and sit still. Treatment can help.

Attention deficit hyperactivity disorder - Wikipedia
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]

Attention deficit hyperactivity disorder (ADHD) - Harvard Health
What is ADHD? Attention deficit hyperactivity disorder (ADHD), usually first diagnosed in childhood, can appear in a variety of forms and has many possible causes.

What is ADHD? - Psychiatry.org
Learn about ADHD including symptoms, risk factors, treatment options and answers to your questions.