Science related (Medical) Study Finds that Most Youth Treated for Cannabis Poisoning in B.C. Used it with Other Drugs by Sophia Vida June 12, 2020 According to a study, a staggering 71% of patients seen at B.C. Children Hospital for marijuana poisoning had used marijuana with other illicit drugs, booze, or medication. Dr. Shelina Babul is the senior author of a study on t...