Four In Ten Smokers Wrongly Believe Vaping Is As Harmful or Worse Than SMOKO E Cigarettes The Vape Debate: This New Trend May Be Riskier Than You Think MedStar Health Smoking and vaping are often compared, but neither is harmless. While they work differently, both can expose the lungs to addictive nicotine and harmful chemicals that impact breathing and overall health. Smoking Do you know what's in a vape? Vaping harms your health Cancer Institute NSW