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A 24-year-old male asked:

If someone smoked 20 cigarettes over a year and then never smokes again would you say they are at risk compared to normal person of smoking diseases?

1 doctor answer1 doctor weighed in
Dr. Alvaro Aranda
Pulmonology 37 years experience
Could be: If you smoked 20 cig (1 pacK in USA) X 1 yr that is 1 pack year. To develope disease an average of 20 pack yrs are required Likely if stoped after 1 yr will be normal within q year if any damage occured.
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Last updated Apr 15, 2016


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