https://www.aa.com.tr/en/health/global-tobacco-related-deaths-expected-to-double-in-next-8-years/2497455
https://www.yesilay.org.tr/assets/uploads/brosurler/_documents_file_YABrosurler_TBM_yetiskin_tutun_bagimliligi_brosur_19.pdf
https://www.cdc.gov/nceh/radiation/smoking.htm
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2509609/