Cigarettes are one of the tobacco products that contain addictive substances and other ingredients that are harmful to health both directly and indirectly. According to RisetKesehatanDasar (Riskesdas). there is a trend in the age of smoking that is increasingly young from year to year. This study aims to describe smoking behavior among students of junior high school in the working are... https://wukqgvxjymkfvf.collectblogs.com/79711776/correction-the-role-of-coupled-positive-feedback-in-the-expression-of-the-spi1-type-three-secretion-system-in-salmonella