Saturday, September 29, 2012

Highs and lows of illegal drugs

Risks of illegal drug use 

Our resident statistician David Spiegelhalter sifts through the data to discover how much is being swallowed, smoked, snorted or injected. 

People have taken mood-altering substances in various forms since time began. Remains of opium poppy husks have been found in Neolithic settlements in Europe; natives of South America have long chewed coca leaves as a mild stimulant or to suppress pain; almost everything faintly edible has been fermented to make alcohol.
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