dr. carey peterson with internal medicine at lennox field hospital. doctor, thank you for being with us. what is your opinion regarding the video that has never been released before that we have just shown you? the '84 pepsi commercial, the infamous pepsi commercial. jackson was at the height of his ability. this has been released by "us weekly." could that have such a long impact on michael jackson to lead him up to the point where he wants a continuous i.v. drip? essentially rendering him a living corpse. out with an i.v. drip up to 72 hours at a time? >> it is possible. burns are known to be extremely devastatingly painful. this is a very gradual process. initially he may have been just maintained on oral medications and over time, over years, you develop a tolerance so that you need more and more to get the same high or euphoria, and over that time, it will be a gradual increase. more and more and more to the point where these drugs aren't working. i need something stronger, something intramuscular, something intravenous. this was a process over p