Iron deficiency anemia in adolescents; a literature review.

Introduction: Anemia is one of the most important nutritional deficiencies affecting various social and socioeconomic strata. It is more common in developing countries, with children and adolescents being at a significantly higher risk for the condition.

Objective: To perform a literature review on iron deficiency anemia in adolescence as a public health issue and on the risk factors that may contribute towards nutritional deficiencies, stunted growth and development in this age group, emphasizing the physiopathology and causes of anemia, the different diagnostic approaches, and its clinical characteristics, prevention and treatment.

The prevalence of overweight and obesity in adolescents in Bahia, Brazil.

Aim: A cross-sectional study was conducted with 1,477 middle school students enrolled in the public school network in Salvador, Bahia, Brazil to assess the prevalence of overweight and obesity.

Methods: The sample was determined using a two-stage cluster sampling technique for selecting schools and classes. A posteriori error was estimated.