
About ADHD | Attention-Deficit / Hyperactivity Disorder (ADHD) | CDC
Nov 25, 2025 · Read about ADHD, its types, symptoms, possible risk factors, screening, treatment, and CDC's work.
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 …
Attention-Deficit/Hyperactivity Disorder (ADHD) - NIMH
ADHD is a developmental disorder characterized by an ongoing pattern of one or more of the following types of symptoms: Inattention, such as having difficulty paying attention, keeping on task, or staying …
Attention-deficit/hyperactivity disorder (ADHD) in children
Mar 7, 2025 · This condition affects children and may continue into adulthood. It can include having a hard time paying attention, being hyperactive and being impulsive.
ADHD: Symptoms, Types, Testing, and Treatment - WebMD
Jan 23, 2026 · ADHD is the most commonly diagnosed mental disorder in children. Find out the symptoms in children and adults, types, causes, diagnosis, treatment, and outlook.
What is ADHD? - Psychiatry.org
Learn about ADHD including symptoms, risk factors, treatment options and answers to your questions.
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.
Home - ADDA - Attention Deficit Disorder Association
Empowering adults with adhd to live their best lives A Different Brain Requires a Different Approach Whether you’re newly diagnosed, wondering if you have ADHD, or simply ready to take charge of …
ADHD Overview: Symptoms, Causes, Treatment - Verywell Health
May 14, 2026 · ADHD symptoms often start in childhood and can affect success at school, work, and home. Treatment can improve the lives of children and adults with ADHD. Symptoms of ADHD can …
ADD vs. ADHD: How Are They Different? - Verywell Mind
Apr 30, 2026 · ADD is an outdated term for the inattentive type of attention deficit hyperactivity disorder (ADHD). Learn more about the characteristics of this type of ADHD.