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 Why Isn't More Known About the Harmful Nature of Vaping? Pittman, Roberts & Welsh, PLLC Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Vaping exposes user to harmful levels of particulate matter, study suggests CUNY Graduate School of Public Health & Health Policy Vaping vs Smoking : Which Is Safer? Greet Vape UK While vaping is not risk free, it is less harmful than tobacco Our World in Data