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1914, narcotics act of 1914 or referred to as the the Harrison act banning all opiates 1914, narcotics act of 1914 or known as the Harrison act banning 4 opiates, visit www.seeblockus.wordpress.com

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15y ago
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9y ago

Heroin was manufactured by Bayer before becoming illegal in 1914.

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13y ago

1914

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Anonymous

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3y ago

1914

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Q: When did heroin become illegal in the US?
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