
About ADHD | Attention-Deficit / Hyperactivity Disorder (ADHD) | CDC
Nov 25, 2025 · Attention-deficit/hyperactivity disorder (ADHD) is one of the most common neurodevelopmental disorders of childhood. Symptoms start in childhood and often last into adulthood.
Attention-Deficit/Hyperactivity Disorder (ADHD) - NIMH
ADHD is one of the most common disorders diagnosed in children. Symptoms begin in childhood and usually continue into the teen years and adulthood.
Hyperactivity: Causes, Diagnosis, and Treatments - Healthline
Aug 27, 2019 · Hyperactivity is a state of being unusually or abnormally active. It’s often difficult to manage for people around the person who’s hyperactive, such as teachers, employers, and parents.
Hyperactivity: Causes, Diagnosis, Treatment, and More
Aug 8, 2022 · Hyperactivity is a physical state in which a person is unusually active. It involves excessive movement, talking, and restlessness. These behaviors can be part of attention deficit …
Attention-deficit/hyperactivity disorder (ADHD) in children
Mar 7, 2025 · 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 …
Hyperactivity: MedlinePlus Medical Encyclopedia
Apr 1, 2024 · Hyperactivity means having increased movement, impulsive actions, a shorter attention span, and being easily distracted.
Understanding hyperactivity
Hyperactivity is constantly being active in ways that aren’t appropriate for the time or setting. It’s the constant part that makes the big difference. If it happened once or twice, nobody would think much of …
HYPERACTIVITY Definition & Meaning - Merriam-Webster
The meaning of HYPERACTIVITY is the state or condition of being overly active. How to use hyperactivity in a sentence.
HYPERACTIVITY | English meaning - Cambridge Dictionary
HYPERACTIVITY definition: 1. (of a person) the state of having more energy than is normal, becoming excited easily, and being…. Learn more.
ADHD: Symptoms, Types, Testing, and Treatment - WebMD
Mar 10, 2024 · ADHD stands for attention deficit hyperactivity disorder. It’s a brain disorder that affects how you pay attention, sit still, and control your behavior. It happens in children and teens and can...