If you take in consideration the social effects, alcohol becomes the most harmful drug: http://www.theguardian.com/society/2010/nov/01/alcohol-more-harmful-than

If you take in consideration the social effects, alcohol becomes the most harmful drug: http://www.theguardian.com/society/2010/nov/01/alcohol-more-harmful-than-heroin-crack http://www.theguardian.com/society/2010/nov/01/alcohol-more-...