23 A single rodent review confirmed that mice that were genetically modified not to have GPR55 receptors, essentially had a far more enhanced sensitivity to THC. This means that GPR55 performs a vital but distinct job than CB1 and CB2 because it pertains to the effects of THC.24 THC https://reidaijll.thezenweb.com/the-fact-about-thc-free-that-no-one-is-suggesting-72367333