Many different viruses have the capacity for infecting and replicating in micro-habitats of the intestinal tract. Eons of interaction between intestinal viruses and the intestinal mucosa have lead to a variety of ...

El incremento en la prevalencia de la obesidad en el mundo ha despertado el interés de investigadores y gran público debido a la asociación del exceso de grasa corporal con ciertas enfermedades degenerativas (Popkin, 2006). ...

The author explores whether reduced child mortality is needed in order to realize fertility transition by examining empirical evidence from Costa Rica, a developing country which decreased both child mortality and birth ...

The authors in this volume disagree as to whether the current economic world recession and its accompanying adjustment policies affect nutrition and health. Based on the data presented throughout this volume and the ...

It has been known for centuries that non-breast-fed infants have a higher probability of dying prematurely than do breast-fed infants under conditions of underdevelopment. On the other hand, artificial feeding is more risky ...

Abdominal angiostrongylosis, caused by Atigiostrongylus costaricensis (Morera and Cespedes, 1971) or Morerastrongylus rostaricensis (Chabaud, 1972), is a parasitic disease characterized by a granulomatous inflammatory ...

La lucha contra las enfermedades infecciosas ha sido obra tesonera del hombre, producto de diversas circunstancias, en que no siempre Ia labor media, propiamente dicha, ha sido el factor más determinante. Durante siglos, ...

Uno de los mayores avances de la civilización ha sido la discusión filosófica sobre las intervenciones que el Homo sapiens ha hecho en su propia especie, ya motivado por el afán de mejorarla, ya estimulado por el poder, ...

Se ha avanzado mucho en la conceptualización de la epidemiología de la diarrea a partir de la creencia popular de que el síndrome era causado por "indigestión" alimentaria. A pesar de que la shigelosis, almonelosis, cetera, ...

The decline in rate and duration of breastfeeding in urban areas in developing countries seems to have resulted from the transition from extended to nuclear cofamilies and exposure of young mothers to influences affecting ...