Help smokers quit: Tell them their "lung age"
J Fam Pract. 2008 Sep;57(9):584-586 Deane K, Stevermer JJ, Hickner J. Department of Family and Community Medicine, University of Missouri, Columbia, MO USA.
Perform spirometry on patients who smoke-even if they're asymptomatic-and show them their lung age-that is, the average age of a nonsmoker with a forced expiratory volume at 1 second (FEV1) equal to theirs. Doing so can help patients kick the habit.