Take this two-part interactive quiz to see whether your child shows attention deficit disorder signs. Also evaluate which type of ADHD your child may have.

Test yourself for attention deficit disorder signs with this six-question quiz, developed by psychiatrists working with the World Health Organization.

Do you think you may be showing signs of attention deficit disorder? Take this 24-question interactive quiz to see whether you should get professional help.

In children, attention deficit disorder signs include poor attention span and excessive activity. Read about these and other symptoms of ADHD, including positive aspects.

Wondering whether your child is showing attention deficit disorder signs? Get the details on behaviors that point to ADHD, and learn about how professionals diagnose it.

ADHD is not just a childhood disorder. Read about the attention deficit disorder signs present in adults, and about the diagnosis criteria used by professionals.

Children aren't the only ones who show attention deficit disorder signs. This great article covers adult ADD symptoms, diagnosis, treatment and other issues.

Take a look into the minds of women with attention deficit disorder signs. If you see yourself in these descriptions, it may be time to get some help.

Think you or your teenager may have attention deficit disorder signs? Read about the positive and negative symptoms of ADHD. More great info in the links to the left.

Discover what major research studies have taught us about treating children for attention deficit disorder signs. Learn about both medications and behavior therapy.

Left untreated, adult attention deficit disorder signs can lead to other problems. Find out about three ADHD symptom types and how to manage them in this short video.