800-900 – Cannabis Used as Medicine in Arabic World by Some, Labeled “Lethal Poison” by Others

“Cannabis was used medicinally across the Arabic world in Roman times, applied to a wide variety of ailments (from migraines to syphilis) and as an analgesic and anaesthetic. The great ninth-century Islamic physician Rhazès… prescribed it widely; a contemporary, the Arab physician Ibn Wahshiyah, warned of the potential effects of hashish which he wrote was a lethal poison.”