Beer, wine, or liquor drinkers as well.
Beer leaves the system in days and is far different from the psychotropic effects of THC of pot. Just as the man who killed his wife from eating pot cookies, just as the suicide kid who jumped to his death after eating pot laced cookies, just ask the rapper for the Woo tang clan.
Red Herrings are for fishing not smoking in a bong. (then again the pot heads smoked banana peals in the late 1960s)