Development of obesity from childhood to adolescents.

Introduction: Obesity is a major health problem in Poland and around the world. Excessive gain in early childhood is an important risk factor for the development of obesity. The aim of the study was to analyze the prevalence of obesity in 2-, 4- and 6-year-old obese children.

Changes in lymphocyte subsets in children with newly diagnosed type 1 diabetes mellitus.

Unlabelled: The aim of this study was to assess changes in selected peripheral blood lymphocyte subsets in children and adolescents with newly diagnosed type 1 diabetes mellitus (DM) and determine the correlation between these changes and other immunological markers. The study involved a group of 39 patients aged 2-14 years and a control group. The number of T- and B-lymphocytes and the number of CD4, CD8, CD4/HLA-DR, CD8/HLA-DR, CD5/CD20 subsets were measured by flow-cytometry using monoclonal antibodies.