Expert ranking of the harmfulness of drugs puts alcohol , for example , well above many illegal substances , such as cannabis .
例如，专家们按照毒品的有害性进行分类时，会把酒精排在大麻等许多非法物质之上。
As chairman of the government 's advisory council on the misuse of drugs ( acmd ) , dr nutt , who heads bristol university 's psychopharmacology unit , issued reports on narcotics and recommended where each should be placed on britain 's three-point scale of harmfulness .
