[disinfo ed.'s note: although we ran a story about this report previously, we decided that Aaron's post had sufficient additional information to run it too.]
Not sure about the “harm score” reliability, but the chart is worth a gander nevertheless; the BBC reports:
Alcohol is more harmful than heroin or crack, according to a study published in medical journal the Lancet. The report is co-authored by Professor David Nutt, the former UK chief drugs adviser who was sacked by the government in October 2009. It ranks 20 drugs on 16 measures of harm to users and to wider society.
Gavin Partington, of the Wine and Spirit Trade Association, said alcohol abuse affected “a minority” who needed “education, treatment and enforcement”.
The study also said tobacco and cocaine are judged to be equally harmful, while ecstasy and LSD are among the least damaging.
The modelling exercise concluded that heroin, crack and methylamphetamine, also known as crystal meth, were the most harmful drugs to individuals, but alcohol, heroin and crack cocaine were the most harmful to society.
When the scores for both types of harm were added together, alcohol emerged as the most harmful drug, followed by heroin and crack…
[continues at the BBC]