They only see the negative effects once they have symptoms, some of which can be severe
Smoking and smokeless tobacco consumption: Possible risk factors for coronary heart disease among young patients attending a tertiary care cardiac hospital in Bangladesh
Few studies focus specifically on chewing tobacco, despite substantial variation in observed risk depending on the composition of the tobacco products and mode of use
Jain N, Keating MJ, Thompson PA, Ferrajoli A, Burger JA , Borthakur G, Takahashi K, Estrov ZE, Sasaki K, Fowler NH, Kadia TM, Konopleva M, Alvarado Y, Yilmaz M, DiNardo CD, Bose P, Ohanian M, Pemmaraju N, Jabbour E, Kanagal-Shamanna R, Patel K, Wang W, Jorgensen JL, Wang SA, Garg N, Wang X, Wei CJ, Crus N, Ayala A, Plunkett W, Kantarjian HM, Gandhi V, Wierda WG