A/RES/59/261 13. Calls upon States to take all necessary measures to prevent and combat illegal adoptions; 14. Calls upon all States to adopt and enforce laws and improve the implementation of policies and programmes to protect children growing up without parents and caregivers, in particular orphaned and other vulnerable children, from all forms of violence, neglect, abuse and exploitation, and to ensure their access to education, health and social services; 15. Calls upon States to take all necessary measures to ensure the full enjoyment of all human rights and fundamental freedoms by orphaned and other vulnerable children and to take effective measures against violations of those rights; 16. Calls upon all States to address cases of international abduction of children, and encourages States to engage in multilateral and bilateral cooperation so as to facilitate, inter alia, the return of the child to the country in which he or she resided immediately before the removal or retention and, in this respect, to pay particular attention to cases of international abduction of children by a parent or by other relatives; Poverty 17. Calls upon States and the international community to cooperate, support and participate in the global efforts for poverty eradication at the global, regional and country levels, recognizing that strengthened availability and effective allocation of resources are required at all of these levels, in order to ensure that all the internationally agreed development and poverty eradication goals, including those set out in the United Nations Millennium Declaration, 8 are realized within their time framework, and reaffirms that investments in children and the realization of their rights are among the most effective ways to eradicate poverty; Health 18. Calls upon all States to take all necessary measures to ensure the right of the child, without discrimination, to the enjoyment of the highest attainable standard of health and to develop sustainable health systems and social services, to ensure access to such systems and services without discrimination and to pay particular attention to adequate food and nutrition to prevent disease and malnutrition, to prenatal and post-natal health care, to the special needs of adolescents and to reproductive and sexual health; 19. Urges all States to assign priority to activities and programmes aimed at preventing the abuse of narcotic drugs, psychotropic substances and inhalants as well as preventing other addictions, in particular addiction to alcohol and tobacco, among children and young people, especially those in vulnerable situations, and to counter the use of children and young people in the illicit production of and trafficking in narcotic drugs and psychotropic substances; 20. Calls upon all States to give support and rehabilitation to children and their families affected by HIV/AIDS and to involve children and their caregivers, as well as the private sector, to ensure the effective prevention of HIV infections through correct information and access to voluntary and confidential care, treatment and _______________ 8 4 See resolution 55/2.