800 AD to 900 AD - Cannabis Used as Medicine in Arabic World by Some, Labeled "Lethal Poison" by Others (jan 1, 800 – jan 1, 900)
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"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."
Martin Booth Cannabis: A History, 2005
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