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JAMA. 1940;115(26):2283-2285. doi:10.1001/jama.1940.02810520045014.
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The U. S. Bureau of Narcotics has recently reported on the traffic in opium and other dangerous drugs for the year ended Dec. 31, 1939.1 Contained in this report is a most interesting contrast of the prevalence of addiction to narcotic drugs in 18772 and at present. In 1877, according to the report, one in every 400 persons in the United States was addicted to opium or one of its derivatives, while in 1922 and 1938, subsequent to enactment of the Harrison Narcotic Act in 1914, the ratio of such addicts to population was respectively 1 in every 1,000 and 1 in every 3,000. In the state of Michigan in 1877 there were 516 narcotic addicts per hundred thousand of population but in 1938, according to a survey conducted in Michigan by the Bureau of Narcotics in that year, there were only 17 addicts per hundred thousand. Opium


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