Smoking is both the leading cause of cancer and the leading cause of death from cancer. 85 percent of lung cancer cases are smoking-related. Just living with a smoker increases your chance of ...
50 – 80 years of age Have a 20 pack-year history of smoking (1 pack a day for 20 years or 2 packs a day for 10 years) Are a current smoker or have quit within the last 15 years If you meet the ...