. >> welcome, again, i'm georgef wohlreich, welcome to the college of physicians atghte philadelphia. we're delighted to night to bring one o

. >> welcome, again, i'm georgef wohlreich, welcome to the college of physicians atghte philadelphia. we're delighted to night to bring one of the hand grenades of current thought and issues, medical marijuana. not recreational use of not marijuana but should marijuana and its derivatives be used forb health purposes, a veryes, controversial issue and one in which frequently there are far more heat than light and where we see frequently see people who seem to be immune to data. we have experts tonight to talk about this it will be moderated by dr. david casarett, who is chief of palliative care at the university of pennsylvania.re i'm a psychiatrist and i often think most people including many physicians don't really understand what psychiatry is. nobody understands what palliative care is. it is a wonderful branch of medicine and needs to be better understood. dr. casarett launch ad book a year ago that was wonderful. this is his second book is he launching here.. no, we do not have royalties on it but i own two copies of it. so, dr. david casarett will come up in a minute. we believ