Whether it's possible or not being a doctor you take an oath. To care for your patient not to kill them. You take an oath to do things that are proper in the medical world. Not to administer something outside of a hospital setting that's not even your area.
Well he doesn't make me laugh. I think I've got a fair sense of humour but I can't really see it in him. I've listened to his show on the radio on a Saturday morning and that's a load of mince as well.