There are many persistent myths about adult ADHD. These misunderstandings not only cause confusion but can also delay diagnosis, increase stigma, and discourage people from seeking support. Here are some of the most common myths about adult ADHD—and the facts that correct them. Myth #1: ADHD Is Just a Childhood Disorder Truth:  ADHD often continues into adulthood. While symptoms like hyperactivity may become more internalized (such as restlessness, difficulty relaxing, or rel