How to Prevent E Cigarette Use (Without Sounding Like a Drag) SAFE for Lake County Tabac : les produits de vapotage sont ils toxiques pour les poumons ? Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs. Both conventional tobacco products and e cigarettes pose risks to health. E cigarette use can negatively impact the health of your brain, lungs and heart and it is linked to an increased risk of