Chest X-rays can reveal structural changes in the lungs, such as the presence of emphysema
It is also possible that the machine has become sticky on the inside due to (invisible) tobacco deposits
Dcouvrez les 21 saveurs avec sels de nicotine et sans nicotine
Elsevier Science, New York, pp 401436 Vineis P, Veglia F, Benhamou S, Butkiewicz D, Cascorbi I, Clapper ML, Dolzan V, Haugen A, Hirvonen A, Ingelman-Sundberg M, Kihara M, Kiyohara C, Kremers P, Le Marchand L, Ohshima S, Pastorelli R, Rannug A, Romkes M, Schoket B, Shields P, Strange RC, Stucker I, Sugimura H, Garte S, Gaspari L, Taioli E (2003) CYP1A1 T3801 C polymorphism and lung cancer: a pooled analysis of 2451 cases and 3358 controls