Sanjay Gupta breaks down Michael Jackson's final rehearsal

Sanjay Gupta hosts cancer summit Q&A.

Question from Dr Gupta to the panel: If you had to give a piece of advice to a patient, a colleague, a friend, what would you tell them, aside from the obvious one of not smoking.

Dr Rajagopal: I honestly think that rather than advice there should be a concerted effort of offering information, empowering people and ensuring support.

Doug Ulman: Most importantly, cancer enters your body, but you cannot let it control your life. Knowledge is power. Unity is strength. Attitude is everything.

More . . .

Watch . . .