What is the main cause of ADHD?

The exact causes of adult attention deficit hyperactivity disorder (ADHD) are unknown. What we do know is that are a lot of possible reasons a person develops attention deficit disorder, and the factors vary from person to person. read more

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. read more

Genetics as a Cause of Attention Deficit Hyperactivity Disorder. Attention disorders often run in families, so there are likely to be genetic influences. Studies indicate that 25 percent of the close relatives in the families of ADHD children also have ADHD, whereas the rate is about 5 percent in the general population. read more