Passive smoking and cardiometabolic risk factors in Iranian children and adolescents: CASPIAN-V study

Background Smoking behavior as a harmful trend among adolescents and young adults has increased over last two decades. Many children and adolescents are at the risk of “second-hand” smoking at home due to their exposure to parents’ or siblings’ smoking. These second hand smokers are called “passive smokers” and are at risk of several health complications like cardiometabolic risk factors.