DarrylC is making quite a name for himself, a post Dilbert cartoonist based on real live experience and story telling: "PSYCHIATRIC TALES"

I particularly like this one:

http://darryl-cunningham.blogspot.com/2010/12/climate-change.html

But you should also check the archive for the one on Homeopathy, hilarious:
http://darryl-cunningham.blogspot.com