This book helps in sensitizing the adolescent smokers to quit smoking using the photoaging intervention app.No studies to date have assessed the effectiveness & efficacy of a structured smoking cessation intervention directed at young people if such apps are proven effective, they could represent a promising smoking cessation strategy at the population level. It targets young smokers who are at significant risk of adverse effects of smoking if they continue lifelong smoking. This study also states direct implications for clinicians and policy makers. The economic analysis demonstrates that...