Effect of Smoking Cessation Duration on Lung Cancer Incidence: A Nationwide Retrospective Cohort Study in Korea

Key Points

• The study aims to assess how the duration of smoking cessation influences lung cancer incidence across a nationwide population.
• Conducted a nationwide retrospective cohort study in Korea
• Analyzed lung cancer incidence relative to smoking cessation duration
• Included individuals with various prior smoking histories
• Observed a significant reduction in lung cancer risk with longer cessation periods
• Noted benefits of even short-term smoking cessation in reducing incidence
• Highlighted that all smokers can achieve health gains from quitting smoking

Abstract