2. Article 11 1. 2.  he States Parties to the present Covenant recognize T the right of everyone to an adequate standard of living for himself and his family, including adequate food, clothing and housing, and to the continuous improvement of living conditions. The States Parties will take appropriate steps to ensure the realization of this right, recognizing to this effect the essential importance of international co-operation based on free consent. The States Parties to the present Covenant, recognizing the fundamental right of everyone to be free from hunger, shall take, individually and through international co-operation, the measures, including specific programmes, which are needed: (a) To improve methods of production, conservation and distribution of food by making full use of technical and scientific knowledge, by disseminating knowledge of the principles of nutrition and by developing or reforming agrarian systems in such a way as to achieve the most efficient development and utilization of natural resources; (b) Taking into account the problems of both foodimporting and food-exporting countries, to ensure an equitable distribution of world food supplies in relation to need. 1. Article 13 1. 2. Article 12  he States Parties to the present Covenant recognize T the right of everyone to the enjoyment of the highest attainable standard of physical and mental health. 10  he steps to be taken by the States Parties to the T present Covenant to achieve the full realization of this right shall include those necessary for: (a) The provision for the reduction of the stillbirthrate and of infant mortality and for the healthy development of the child; (b) The improvement of all aspects of environmental and industrial hygiene; (c) The prevention, treatment and control of epidemic, endemic, occupational and other diseases; (d) The creation of conditions which would assure to all medical service and medical attention in the event of sickness.  he States Parties to the present Covenant recognize T the right of everyone to education. They agree that education shall be directed to the full development of the human personality and the sense of its dignity, and shall strengthen the respect for human rights and fundamental freedoms. They further agree that education shall enable all persons to participate effectively in a free society, promote understanding, tolerance and friendship among all nations and all racial, ethnic or religious groups, and further the activities of the United Nations for the maintenance of peace. The States Parties to the present Covenant recognize that, with a view to achieving the full realization of this right: (a) Primary education shall be compulsory and available free to all; 11