Parke-Davis: cannabis not dangerous, even in “immense doses” (c. 1900)

By the turn of the last century, pharmaceutical giant Parke, Davis & Co. had fully embraced cannabis as a medicine. The company’s 1901 edition of Physician’s Manual of Therapeutics contains over 400 references to cannabis, recommending it as a primary treatment for a wide range of conditions including migraines, inflammation, neuralgia and epilepsy. However, company buyers faced a serious supply problem; as outlined in their Standardized Productscatalogue from 1911,
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