Experts warn anti-drugs lessons may encourage pupils to try substances . Raising awareness could be counter-productive , Advisory Council on the Misuse of Drugs said . The board passed its findings to Home Secretary Theresa 2009 .
Experts warn anti-drugs lessons may encourage pupils to try substances . Raising awareness could be counter-productive , Advisory Council on the Misuse of Drugs said . The board passed its findings to Home Secretary Theresa May last month .