Breastfeeding is considered a primary strategy in health promotion and disease prevention. This document addresses aspects that make evident the importance of breastfeeding for the health of the mother and her child, and the role of health professionals to promote, protect and support breastfeeding. An epidemiological panorama of breastfeeding in Mexico is presented, the main constituents of milk, the benefits of breastfeeding, both for the baby and for the mother, the barriers and myths that somehow influence breastfeeding, the main problems of breastfeeding and how to solve them, the proposed steps and the technique to achieve successful breastfeeding and promote a culture of breastfeeding.
In order to know the prevalence of cysticercosis and taeniosis among food traders at the markets of a political delegation in Mexico City, 262 traders were interviewed among 11 markets in Xochimilco. Coproparasitoscopic serial studies and western blot assay in sera were done looking for T. solium eggs and specific antibodies against cysticerci respectively. From interviewed persons, 115 delivered fecal samples and 110 provided blood samples. Prevalence of cysticerco-antibodies was 0,9% and T. solium eggs were not found. Traders used to sell any kind of food related with pig meat, 11,3% used to breed at home pigs and sacrificed them illegally to sell their meat. Otherwise as observed in other country (Peru), traders in pig meat food that work at markets in Mexico City seldom seem to be exposed to T. solium.
Antecedentes: La caries dental tiene una etiología multicausal donde intervienen tres factores primarios: huésped, flora bucal y sustrato sobre el que ésta se desarrolla. El propósito de este trabajo fue conocer la asociación entre la presencia de microorganismos y la capacidad amortiguadora de la saliva con la presencia de caries. Método: Se realizó una exploración clínica de la cavidad bucal y se tomó una muestra de saliva en una población de niños de 5 a 13 años de edad de cuatro escuelas primarias privadas de la delegación Venustiano Carranza, Distrito Federal, México. Se calcularon dos tipos de índices y se desarrollaron tres pruebas microbiológicas. Resultados: La prevalencia de caries fue 86.6%; se encontró un índice de dientes permanentes cariados, perdidos y obturados de 1.3 y un índice de dientes temporales cariados, con extracción indicada y obturados de 2.7; 40% de la población presentó una infección alta por Streptococcus mutans; 35% presentó una infección severa de Lactobacillus sp y 69% presentó una capacidad amortiguadora media. Conclusiones: Existe una relación entre la presencia de caries y un incremento en el número de colonias de S. mutans y Lactobacillus sp. aunado a una capacidad amortiguadora baja.
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