Do Vapes Have Tobacco Vaping Vs Smoking: Effects And Tips For Protecting Your Lungs Max Hospital Count As Smoking Vapes don't produce harmless water vapor. They can contain addictive nicotine, cancer causing chemicals like acetaldehyde and formaldehyde, as well as heavy metals that don't belong in your body. Live Vape Free is E cigarettes containing nicotine cause blood clotting and make small blood vessels less adaptable ERS European Respiratory Society E cigarettes: How they work, risks, and research The belief of GPs regarding whether e cigarettes contain nicotine. Download Scientific Diagram