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The five most addictive substances in the world

The five most addictive substances in the world

CNN - By Eric Bowman, The Conversation

What are the most addictive drugs? This question seems simple, but the answer depends on whom you ask. From the points of view of different researchers, the potential for a drug to be addictive can be judged in terms of the harm it causes, the street value of the drug, the extent to which the drug …

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