| http://www.w3.org/ns/prov#value | - Drug experts say alcohol worse than crack, heroin(Reuters) - Alcohol is a more dangerous drug than both crack and heroin when the combined harms to the user and to others are assessed, British scientists said Monday.Presenting a new scale of drug harm that rates the damage to users themselves and to wider society, the scientists rated alcohol the most harmful overall and almost three times as harm
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