HUFFINGTON POST
11/19/2010 08:20 am ET | Updated May 25, 2011

ADHD: 12 Myths And Facts (PHOTOS)

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.

ADHD: Separating Fact From Fiction (PHOTOS)