Population of type 2 diabetes patients that diabetes is diagnosed recently, in one of the health structures, in the east suburban area of Algiers. In the first step they are recruited by primary care physicians, on the basis of glycemia >= 1.26 g/l (capillary or venous); then they are automatically directed to the main investigator, in hospital consultation, to confirm by two blood samples, the hyperglycemia; and (second step) screen for differential diagnosis (secondary diabetes)before the definitive recruitment.Patients are systematically,consecutively recruited. They are followed up during 1 year, they are seen every 3months at least.