[Lay knowledge about stroke].

The significance of the risk factors and the rapid diagnosis of encephalic vascular disease (EVD) is the reason for this research, where the authors decided to register and analyze the non-medical people knowledge about these risk factors and the symptoms of this group of disease. For this purpose a questionnaire with questions about these facts was applied to 500 voluntaries without pre-selection, 72.6% of them with ages between 16-35 years old, and the answers analyzed by statistical methods.