The medical community has only recently recognized cannabinoid hyperemesis syndrome as an actual condition. In fact, the first link between marijuana and vomiting surfaced in published medical literature just 20 years ago, when researchers detailed an unusual case of cyclical vomiting in a 22-year-old man who used marijuana frequently. Still, they didn’t point to marijuana as the cause, attributing the vomiting to his anxiety instead.
In 2004, researchers coined the phrase “cannabinoid hyperemesis” in a published paper. That’s when Australian researchers made the first definitive link after analyzing a small sample size of 19 chronic, long-term