What is ADHD? - Psychiatry.org
Learn about ADHD including symptoms, risk factors, treatment options and answers to your questions.
About ADHD | Attention-Deficit / Hyperactivity Disorder (ADHD)
Nov 25, 2025 · Read about ADHD, its types, symptoms, possible risk factors, screening, treatment, and CDC's work.
Adult attention-deficit/hyperactivity disorder (ADHD) - Mayo …
Jan 25, 2023 · Adult ADHD can lead to unstable relationships, poor work or school performance, low self-esteem, and other problems. Though it's called adult ADHD, symptoms start in early …
What Is ADHD? Meaning, Signs, Causes, And How To Cope
Sep 3, 2025 · ADHD Defined: A neurodevelopmental disorder marked by persistent inattention, hyperactivity, and impulsivity that affects daily life. The condition can be diagnosed in …
Attention deficit hyperactivity disorder - Wikipedia
ADHD symptoms arise from executive dysfunction. [17]
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.
ADHD: Symptoms, Types, Testing, and Treatment - WebMD
Mar 10, 2024 · 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) - Cleveland Clinic
ADHD stands for attention-deficit/hyperactivity disorder. It’s a neurodevelopmental disorder, which means it affects how your brain develops. Symptoms begin before age 12 and include …
Attention deficit hyperactivity disorder (ADHD) - Harvard Health
Oct 15, 2024 · ADHD is the most common problem seen in outpatient child and adolescent mental health settings. It is estimated that ADHD affects more than 5% of children. Boys are …
ADHD Overview: Symptoms, Causes, Treatment - Verywell Health
Dec 2, 2025 · Attention-deficit/hyperactivity disorder (ADHD) causes symptoms that begin in early childhood.