Designated Smoking Areas Proposition 65 Warnings Website 5 Vaping Facts You Need to Know Johns Hopkins Medicine Is Vaping Eco Friendly? Environmental Impact vs. Smoking The safest vape is the one you never start. Flavoured vapes were designed to feel harmless: Candy taste. Fruit smell. Cool packaging. Viral aesthetics. But your lungs don't care about the flavour. Chronic electronic cigarette exposure in mice induces features of COPD in a nicotine dependent manner Thorax