Thinking Allowed on Radio 4 recently ran an excellent programme that touched on the subject of drugs:

“DRUGS AND SOCIETY
Angus Bancroft, author of a new book Drugs, Intoxication And Society and Dick Hobbs, Professor in Sociology with special reference to Criminology, at London School of Economics discuss how the effects of drink and drugs are affected by the context in which they are consumed. ”

Listen again on the BBC website