Secondhand Vape Exposure: Effects, Who's at Risk, and More Vaping and smoking are often compared in terms of health risks, with research suggesting that while vaping may expose users to fewer toxic substances than traditional cigarettes due to the absence of 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. Does Vaping Cause Lung Cancer? Effects of ecigarettes and vaping devices on cardiac and pulmonary physiology Tsai 2020 The Journal of Physiology Wiley Online Library