What Causes ADHD? 12 Myths and Facts

Here, we separate fact from fiction about the causes of ADHD.

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Causes of ADHD

Kristin Koch

Because attention deficit hyperactivity disorder (ADHD) symptoms—inattention, impulsivity, and/or hyperactivity—affect a child's ability to learn and get along with others, some people think an ADHD child's behavior is caused by a lack of discipline, a chaotic family life, or even too much TV.

In fact, research suggests that ADHD is largely a genetic disorder.

However, some environmental factors may play a role as well. Here, we separate fact from fiction about the causes of ADHD.

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