Cannabinoid Hyperemesis

Ok faithful readers (if there are any). I have a task for you. I stubled upon this FoxNews article reporting on an illness called cannabinoid hypermesis. Apparently chronic usage of marijuana can bring about a cyclical vomitting illness (CVI) along with compulsive bathing that someone decided to name "Cannabinoid Hypermesis". It appears to be a ligit illness that seems to be somewhat tenuously linked to marijauan.

It first cropped up in Australia where a study showed that 19 patients were identified with CVI in which the CVI showed up only after years of chronic marijuana use 9 cases reported back after being asked to stop using marijuana, all nine cases that opted to quit marijuana had a cesation of CVI symptoms. Three of the nine started using again and immediately experienced a return of the symptoms.

My question to my readers is, anyone know of this? Anyone experience CVI and is a chronic user? Most importantly; can anyone cite a single source which shows any sort of causality?