ADHD - Is it real?

I usually don't reference other blogs but I thought that a recent post made by spiegle.de was too interesting to past up.

In the article spiegle.de interviewed Jerome Kegan, a reknowned child psychologist. Rather than para-phrasing access the original please go to click here. 

I realize this is a sensitive topic so please feel free to comment below on your thoughts about the article.