the author, doctor lisa sanders is here today.o a technical adviser for the hit television program "house." >> yes. >> pretty interesting background there. >> i like to keep busy. >> one thing people don't know is you were a television producer first. then you went to medical school. now you're dabbling in both. >> no. i was a television producer. that was great. then midlife crisis i decided to go to medical school and be a doctor. i thought it would be fun. >> you were a producer for 12 years and went back. there's something specific. you called it a midlife crisis. >> it wasn't really a crisis. a few years before i made the decision to go to medical school i was with a correspondent i worked with. we were shooting something about white water rafting on a river in north carolina. and i was looking at him in the monitor and he was coming down, the white water looked fantastic, and he was doing his standup, then suddenly he disappeared from the skrun. the camera sort of runs around looking for him. he's up on the bank and he's pul