Sve glavne studije pokazale su da pusaci umiru 10 godina ranije od nepusaca: https://www.usatoday.com/story/news/nation/2013/01/23/smoking-cessation-life-expectancy/1858913/?fbclid=IwAR1u9IXo1VM_Je8iApVOCNTEiqfh63EjDIc2ko-_26LzFnxTgEz609WhRCc http://news.bbc.co.uk/2/hi/health/3826127.stm?fbclid=IwAR1OEsl2pxIe1DVYBy2zlnywa0XHsPnLSKadmXe1FMtpkllY6uS4INi_P9c https://www.who.int/news-room/q-a-detail/tobacco-health-benefits-of-smoking-cessation