
The first reference to ADHD was in 1845 by Dr. Heinrich Hoffman, a physician who wrote books on medicine and psychiatry, and later became interested in writing for children when he couldn't find suitable materials to read to his 3-year-old son.
Credit: Rodolfo Clix
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Published by Nicole Humphrey Cook
Nicole Humphrey Cook is a freelance writer and author, living in St. Louis, MO with her husband Mike and their 5 children. She is a feature writer specializing in articles on topics including Single parentin... View profile


