dr. hebert is absolutely correct. the question really is here this week not whether or not adhd exists or that some children have it and deserve treatment. i think the question is why the number is going up so dramatically. why has it changed over the last 20 years? this is a good opportunity to look at where are we going from here? in other words, is this going to continue to rise? is the diagnosis and labeling of children going to continue to increase? is this going to be the new norm that everybody has it? >> john: that's the question. let me close our segment asking you both the million dollar question. are drug companies partly responsible for the rise in adhd diagnoses? i'll start with you dr. graf. >> i think with direct-to-consumer advertising this is the only country in the world that. >> allows direct-to-consumer advertising, as long as congress has permitted that, it makes it a lot easier for the drug companies to make the sell because the families are more familiar with the condition and feel more comforta