ADHD Symptoms

George Hersh

Published on: 25/08/2025

Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by a persistent pattern of inattention, hyperactivity, and impulsivity. Symptoms vary by individual and can change with age. A person can be diagnosed with one of three types of ADHD: predominantly inattentive, predominantly hyperactive-impulsive, or combined