Attention Deficit Hyperactivity Disorder (ADHD) (cont.)
IN THIS ARTICLE
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.
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
The three types of ADHD symptoms include:
These symptoms affect all people who have ADHD. But typical behavior varies by age.
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