5 cigarettes a day pack years Pack-year tobacco use and outcome What is a “Pack Year”?
What is a Pack Year? Lung Cancer Kilts Research Cures! Don't let smoking sneak up on you! A simple calculation can tell you your pack year history., Heres how it works:, number of packs per day X number of years smoking, For example, if you smoke one Tobacco Smoking and Risk of Second Primary Lung Cancer ScienceDirect Calculating Pack Years for COPD Patients PDF Cigar Cigarette Smoking duration alone provides stronger risk estimates of chronic obstructive pulmonary disease than pack years Thorax Was a 3 pack a day smoker. As of today I am a year smoke free : r MadeMeSmile
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