text: provided through the National System for the Integrated Development of the Family. 234. The National Consiomers' Institute is carrying out activities under its permanent programmes of research, guidance, information and education on consumer matters; the activities include publication of a consumers' review and periodical and the organization of consumer groups for bulk purchasing and the defence of consumers' rights. In the last few years 2 million groups have been organized. The Institute uses the media to give information on official and current prices, points of sale for products in the "basic shopping basket" where prices have not gone up, and shops where the lowest prices are offered. 235. In order to have a means of epidemiological monitoring, the Department of Health has continued to support the establishment of the National Epidemiological Monitoring System. In July 1987 the activities of the 1987-1988 Nutrition and Health Programme were launched, the Programme's main objectives being to guide and encourage community participation in nutrition monitoring and primary health care and to promote the development of selected localities by carrying out social infrastructure work and basic sanitation and encouraging the people to grow their own food. C. The right to housing 236. Article 4, paragraph 4, of the Constitution embodies the right of the Mexican family to a place to live in; it reads "Every family has the right to the enjoyment of fitting and decent housing. The law shall establish the instruments and support needed to reach that objective". 237. That is how constitutional form was given to the right to housing as a social guarantee; it has been regulated in specific laws. Historically, the right to housing in Mexico has very ancient roots and it is applied in principle for the benefit of the working class.
analysis: The text discusses various initiatives and programs aimed at improving the living conditions of the Mexican population, particularly in the areas of consumer protection, nutrition, and housing. These initiatives are focused on supporting the well-being and quality of life of individuals and families, rather than specifically related to economic development, industry, or international trade.