samadi, these things are related.you see david operate with robotic arms you see the same idea. >> dr. samadi, it's unbelievable. it's so important for people who are paralyzed. >> mark is very kind. he's been in our operating room and technology of robotics has changed the way we view things. the surgery we used to do in open surgery involved a big incision, a lot of blood. we couldn't see. now robotic surgery revolutionized. you see people coming in for an hour surgery and go home the next day. exactly the point mark brought in, this is psychologically uplifting. for somebody to stand straight as opposed to looking up it changes your view of life. this is a time we should thank and appreciate simple things in life. >> how many people other than manny can get this? >> mount sinai has been a huge supporter. they're investing tons of money in research, science and technology. it costs about 100 to 140,000, in 2013, it will come to people's home. >> can it go out of the lab, for example, in the hospital? can he get out

samadi, copd. kind of widespread. >> it is chronic, so long-term, obstructive pul pulmonary disease. this covers bronchitis and emphysema. bronchitis is inflammation of the tube. but the tube -- [ inaudible ] so it's where the oxygen and co2 get exchanged. what happens over time is as result of smoking again all the structures will be damaged. the oxygen will not be exchanged. what happens when you don't get enough oxygen, you get tired and fatigued a short of the breath. you can't do your exercises and then comes to heart disease. the heart understands it's not getting enough oxygen, has to pump more. the blood pressure goes up, on and on and the cycle. the good doctors would get these indexes x-ra -- chest x-ry and then they diagnose them with copd. the key is to break the cycle quickly. whether it's the nebulizers or the broncho-die late tortoise expand the lungs or get rid of the mucus we talk about or oxygen therapy. ultimately, if it becomes and goes further, that is the one. pneumonia is wha

david samadi joins us this morning.morning. >> good morning. >> we are hearing from his older brother that he suffered from some sort of personality disorder. others are saying he was reclusive. he was quiet. what does that tell you about him. >> more and more information is coming about the shooter. there is a discussion that perhaps he had some sort of as berger's or even was diagnosed with autism. now, it's very important to -- i just want to get this out, we are not saying that autism causes this kind of behavior. the fact that he was a loaner, he was not involved in any social interaction. can't keep a real conversation. when they talk to a lot of his friends they found out he was always by heimself. he wasn't engaging in any games. so the behavior was not really normal. >> not that of a typical 20-year-old? >> exactly right. now we are seeing more and more of these people coming to movie theaters and coming to schools and go on rampage and start killing people there is a developmental problem with their brain and