Quitting Smoking Isn't Enough — Vapers Still Face 56% Higher Lung Cancer Risk

Executive Briefing

• Reveals analysis of 4.5 million former smokers in South Korea linking continued vaping to 56% higher lung cancer risk
• Shows former smokers who vape see only 12% lung cancer reduction versus 44% for those who quit nicotine entirely
• Identifies biological changes from e-cigarette vapor including DNA damage, oxidative stress, and chronic inflammation
• Links vaping after smoking cessation to increased eye disease risk in a separate study of 179,273 former smokers
• Urges experts to treat e-cigarettes as a temporary cessation tool only, with complete nicotine abstinence as the goal