you mentioned brittany murphy. that was a prescription medication death.an absolute problem with this. where it's coming from, it's a little more complicated. >> larry: what starts that? >> peers. maybe plastic surgery, it may be a broken knee procedure. who knows what. sleep disturbances. as tom said. we have to be exquisitely careful with these extremely good -- remember, these medicines are extremely good but they have potential of killing people. >> larry: the number one thing people want to get rid of is pain. >> right. you see, people who are clean, you know, the incidence of people losing their clean time by getting on some sort of medication for a dental surgery, for back pain. i mean, i've seen people go -- that's what happened to me. you know -- >> you give mackenzie a vicodin she's going out. she may not be aware of it, but she will -- a few hours later it will change her thinking, change her motivational system and she'll be on her way. doctors don't understand how powerful this biology is. >> i recently had a procedure that in the past i would