A/RES/58/141 prevention and education and providing, especially to young people and others at risk, information on developing life skills, making healthy choices and engaging in drug-free activities; (b) To further develop and implement comprehensive demand reduction policies, including risk reduction activities, that are in line with sound medical practice and the international drug control treaties and that reduce the adverse health and social consequences of drug abuse, and to provide a wide range of comprehensive services for the treatment, rehabilitation and social reintegration of drug abusers, with appropriate resources being devoted to such services, since social exclusion constitutes an important risk factor for drug abuse; (c) To enhance early intervention programmes that dissuade children and young people from the use of illicit drugs, including polydrug use and the recreational use of substances such as cannabis and synthetic drugs, especially amphetamine-type stimulants, and to encourage the active participation of the younger generation in campaigns against drug abuse; (d) To provide a comprehensive range of services for preventing the transmission of HIV/AIDS and other infectious diseases associated with drug abuse, including education, counselling and drug abuse treatment, and in particular to assist developing countries in their efforts to deal with these issues; Illicit synthetic drugs 6. Urges States to renew their efforts, at the national, regional and international levels, to implement the comprehensive measures covered in the Action Plan against Illicit Manufacture, Trafficking and Abuse of Amphetamine-type Stimulants and Their Precursors, 13 to make special efforts to counter the abuse and recreational use of amphetamine-type stimulants, especially by young people, and to disseminate information on the adverse health, social and economic consequences of such abuse; Control of precursors 7. Encourages States: (a) To establish or strengthen mechanisms for making the most effective use of existing systems and for ensuring strict control of chemical precursors used to manufacture illicit drugs; (b) To support international operations aimed at preventing the diversion of chemical precursors used in the illicit manufacture of cocaine, heroin and amphetamine-type stimulants by exchanging information with other States and conducting timely joint law enforcement operations, including the use of controlled deliveries; (c) To further international cooperation in the implementation of article 12, on control of precursors, of the United Nations Convention against Illicit Traffic in Narcotic Drugs and Psychotropic Substances of 1988,11 in close cooperation with the International Narcotics Control Board, and the measures agreed upon at the twentieth special session; 14 _______________ 13 14 4 See resolution S-20/4 A. See resolution S-20/4 B.