422.Section 152 amends Schedule 1 to the Misuse of Drugs Act 1971 (constitution etc. of the Advisory Council on the Misuse of Drugs) to remove the requirement on the Secretary of State to appoint to the Advisory Council on the Misuse of Drugs at least one person with wide and recent experience in each of six specified activities - medicine, dentistry, veterinary medicine, pharmacy, the pharmaceutical industry and chemistry - and persons with wide and recent experience of social problems connected with the misuse of drugs.