"Marijuana, a commonly abused drug among high school and college students, is linked to a severe form of vomiting syndrome and
compulsive bathing behavior. This form of severe vomiting sickness is increasingly recognized with widespread abuse of marijuana."
http://www.sciencedaily.com/releases/20 ... 102130.htmSontineni et al. Cannabinoid hyperemesis syndrome: Clinical diagnosis of an underrecognised manifestation of chronic cannabis abuse. World Journal of Gastroenterology, 2009; 15 (10): 1264 DOI: 10.3748/wjg.15.1264