Today, Dr. Ethan Russo has published his groundbreaking research into the causes of Cannabis Hyperemesis Syndrome. The research team's survey and genomic investigation of patients has, for the first time, identified the genetic mutations affecting neurotransmitters and the endocannabinoid system. In this episode of Shaping Fire, host Shango Los reviews the entirety of the paper with Dr. Russo, including all five of the genetic mutations, the results of the patient survey and why we can exclude causes such as neem.