Attention-deficit hyperactivity disorder (ADHD) is a very common condition diagnosed mainly in children.

According to the Centers for Disease Control and Prevention (CDC), 6.4 million children between four and 17 years of age have been diagnosed with ADHD as of 2011.

This primer is designed to help you understand ADHD at a deeper level and combat misconceptions.

Fact: An ADHD diagnosis requires observations of numerous symptoms in multiple settings and evidence of significant impairment.