Support for this perspective is provided by such treaties and declarations as the International Covenant on Economic, Social and Cultural Rights, the Convention on the Elimination of All Forms of Discrimination against Women, the Habitat Agenda, and Agenda 21, the action plan adopted at the 1992 United Nations Conference on Environment and Development. The Centre on Housing Rights and Evictions, among others, documents the extensive body of rights related to housing and the disproportionate vulnerability of children to violations of these rights. In recent years, practical programming aimed at fulfilling rights has been focused on the pursuit of the Millennium Development Goals (MDGs), all of which have relevant implications for children in urban poverty. Micronutrient deficiencies can lead to anaemia, birth defects and other disorders. This is only a small percentage of those who live in slums worldwide, the target does not address the continuing growth in the number of new slums and slum dwellers. Article 24 refers to every child’s right to the “enjoyment of the highest attainable standard of health and to facilities for the treatment of illness and rehabilitation of health.”