In this study we analyze the meaning of symbols based on the psychological approach of Piaget. In addition, we would like to stimulate more research in this area. A symbol has sense when it has a nexus with a specific…

The present paper argues for the systematization of the established knowledge on eating behavior in Conditioning and in Motivation on the basis of the quantitative contiguities between some of its controlling variables. A variable in common to both types of…

El análisis paleoepidemiológico y paleodemográfico en las poblaciones mayas ha sido un tema que se ha tratado en forma separada por diversos investigadores, llegando a interpretaciones sesgadas por la escasa conjunción de estas áreas complementarias que abordan los estudios antropofísicos. Más aún, la…

Health studies in ancient populations is a very complex field. Many years passed by before anthropologists showed concern to know about health in ancient populations, and paleopathological studies of skeletal remains shifted from the traditional clinic orientation of individual cases to population and…

Dopamine is a neurotransmitter strongly involved in the feeding behavior regulation. It has been reported that different dopamine receptor agonists inhibited voluntary food intake, nevertheless, dopamine depletion induced intense hypophagia. Current knowledge of D2 receptors and D3 mRNA expression in…

This article talks about Bioethics and new technologies perspectives in the de nominated Society of Knowledge. It formulates central topics lead to wards transition forwarding to new civilizations. It also points out questionings and suggests several hypothests about the future…

As a natural and key resource for human survival, water has had a great economical and political importance. The worldwide shift of capitalism towards neoliberalism of the last years caused a huge discussion of how to manage natural resources: by…

Through a look at the history of archaeological research in Oaxaca, this paper tries to illustrate how traditional paradigms and research methods have contributed to our present state of knowledge. On the other hand it points out how they have…

Objectives: To determine the biochemical parameters, the level of knowledge and the quality of life in group of patients with diabetes mellitus 2 who attended CMD «Dr. Ignacio Chávez», ISSSTE, after a year and haven been given them the «Course…

The purpose of this article is to review recent work in nutritional problems of women and children in developing countries. A selective survey of the present state of knowledge in women's nutrition provides information about factors affecting diet. infant feeding…