Reading material that may help you understand ADHD:
"The Mislabeled Child" by Brock Eide and Fernette Eide. (It's about learning disorders in general, but has a good section on ADHD.)
http://www.amazon.com/The-Mislabeled.../dp/1401308996
ADDitude Magazine:
http://www.additudemag.com/
ADDitude Magazine podcast:
https://itunes.apple.com/us/podcast/...668174671?mt=2
Science Daily: (They run a section just with the latest research in ADD/ADHD)
http://www.sciencedaily.com/news/min.../add_and_adhd/