Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Does Vaping Cause Secondhand Smoke? Vaping vs. Smoking Which is Safer for Your Lungs? Think vaping is the "healthier" option? Think again. Both smoking and vaping come with serious risks to your lung health, Some reports state that these new, flavored smoking devices are less harmful than tobacco cigarettes but how safe is vaping? In this third part of a four part series, China Daily examines the