Morphine – Most used prescription Opiate:
The most famous and the most addictive drug known to man is the heroin. Heroin was first
synthesized from morphine in 1874, the Bayer Company of Germany introduced heroin for
medical use in 1898. Physicians remained unaware of its addiction potential for years, but by
1903, heroin abuse had risen to alarming levels in the United States. All use of heroin was made
illegal by federal law in 1924.
Source:
http://www.researchomatic.com/prescription-opiates-146669.html
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