Vaping really is THAT bad @LungAssociation says vaping isn't just inhaling harmless water vapor. Liquid in vapes often holds harmful drugs & chemicals, like nicotine, propylene glycol (found in antifreeze), carcinogens, acrolein ( Vaping harms your health Cancer Institute NSW E Cigarettes Increase Risk of Lung and Bladder Cancer More Than Traditional Cigarettes Oncology Nursing Society Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Teen Vaping: Health Risks and What Parents Should Know Cedars Sinai