Gut microbiota of adults with different metabolic phenotypes.

Objective: The aim of this study was to investigate the gut microbiota of individuals with different metabolic phenotypes and to compare their characteristics.

Methods: This was a cross-sectional study with 109 adults, classified according to metabolic status, by body mass index, and homeostasis model assessment. Anthropometric and biochemical characteristics and blood pressure were evaluated.

[Research on food and nutritional security in Brazil from 2000 to 2005: trends and challenges].

Discussion of Research on Food and Nutritional Security (FNS) in Brazil started with the Directory of Brazilian Research Groups from the National Council for Scientific and Technological Development (CNPq). Searches using the expression 'food security' allowed the identification of 72 groups in 2005. Proportions between researchers and students suggest little dynamism and consolidation of such research.