state. was he having hallucinations of some sort was he imagining things that were not there. that's sort of what that doctor that medical report was sort of alluding to here. again, we don't know for sure. we also know some of the medications he was taking, some of the side effects of the medications can be blurred vision. there's a lot of moving pieces here. but when it comes to psychosomatic, it basically means the mind is making up an illness or imagining an illness that does not exist, wolf. >> dr. sanjay gupta, as usual, thanks very much. >> you got it wolf. thank you. more perspective, because what happened to this individual raises all kinds of questions for screening pilots and prospective pilots around the world especially right here at home. dr. drew pin ski is joining us host of dr. drew on call on hln. and the former person in charge of medical certification, dr. silverman. and the aviation attorney and pilot justin green. dr. silverman, one of the struggles with the screening