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Attention Deficit Hyperactivity Disorder (ADHD) - Cause

The exact cause of attention deficit hyperactivity disorder (ADHD) isn't known. But it may run in families. Ongoing research is focused on finding the genes that cause a person to be likely to get ADHD.

A mother's use of cigarettes, alcohol, or other drugs during pregnancy may increase the risk for ADHD. Also, exposure to lead may cause symptoms linked with ADHD.1

Recommended Related to ADD-ADHD

The Right Adult ADHD Treatment for You

As an adult, ADHD symptoms can affect every aspect of your life -- undermining your performance at work, your relationships, and your self-esteem. The good news is that adults with ADHD have a lot of effective treatments options, including ADHD medications. But if you've just been diagnosed, you probably have a lot of questions about treatment. Which approach will work best? What are the risks? Here are some answers that every adult with ADHD needs to know.

Read the The Right Adult ADHD Treatment for You article > >

Although many parents believe that foods with sugar and food additives make their children more hyperactive, these foods haven't been shown to cause ADHD.2

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: January 21, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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