This study is a gas quasi experimental field trial. which was carried on families of junior high school students in district 9 in Tehran during 1994-95. The objective of this study was to demonstrate the effect of education of students on knowledge. practice attitude of their families regarding iodized salt. https://www.markbroyard.com/hot-deal-jolly-rancher-filled-gummies-7oz-online-hot-sale-big-sale/