The introductory lecture about stroke will comprise of 30 minute Arabic lecture that will be developed to increase level of the awareness of the participants regarding stroke. Here, a lecture from the USA National Stroke Association, 2011, will be used. Translation and validation of this lecture will be done by the principle investigator of this study. The lecture includes the following issues: (1) definition of stroke; (2) signs and symptoms of stroke; (3) risk factors of stroke; (4) treatment of stroke; and (5) prevention of stroke. The lecture will be available to all participants upon requested. Here, a permission from the author to give this lecture will be assured, as well as three expert panel will be involved; two neurologists' expert opinion, and one community medicine specialist opinion.