Cohort Study: Lifetime Smoking History and Risk of Lung Cancer

Lifetime Smoking History and Risk of Lung Cancer: Results From the Framingham Heart Study – Journal of the National Cancer Institute (link to abstract – $ for full-text)

Commentaries: Risk of Incident Lung Cancer Drops by 39% Five Years After Smokers Quit – AJMC (free) AND New research finds lung cancer risk drops substantially within five years of quitting – Vanderbilt University Medical Center, via eCancer News (free)