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Study: 1 in 10 kids in U.S. have ADHD

Researchers say an increase of 22 percent of ADHD cases since 2003 is due to more awareness and screening.

For more information on ADHD, check out the following resources:

The best overall guide comes from the National Institute of Mental Health:http://www.nimh.nih.gov/health/publications/attention-deficit-hyperactivity-disorder/complete-index.shtml

The Mayo Clinic also has a good guide here: http://www.mayoclinic.com/health/adhd/DS00275

The Duke program mentioned in our report: http://www.dukehealth.org/services/attention_deficit_hyperactivity_disorder/about