Pregnenolone can protect the brain from cannabis intoxication. March 25, 2021 cbdnews How Marijuana Works Comments Off on Pregnenolone can protect the brain from cannabis intoxication. Pier Vincenzo Piazza, Director of the Neurocentre Magendie / Bordeaux Neurocampus Pregnenolone can protect the brain from cannabis intoxication. Vallée M …