Attention Deficit Hyperactivity Disorder and Attention Deficit Disorder Causes
Learn what the medical community has uncovered about what causes Attention Deficit Hyperactivity Disorder and Attention Deficit Disorder inside the condition center at ThirdAge.com. When you're done continue your research by selecting the next category in the left navigation.

A chemical imbalance in the brain may be responsible for ADHD.
© 2009 Nucleus Medical Media, Inc.
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Causes of Attention Deficit Hyperactivity Disorder and Attention Deficit Disorder
The cause of ADHD is unknown. It most likely is caused by a chemical imbalance in the brain. There also appears to be a genetic factor since ADHD can run in families.

A chemical imbalance in the brain may be responsible for ADHD.
© 2009 Nucleus Medical Media, Inc.
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