Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA New research from UNSW Sydney confirms vaping is likely to cause lung and oral cancer. The study shows these devices pose a direct risk, regardless of tobacco history. A new overarching review, led by the UNSW, is the most definitive determination that those who vape are at increased risk of cancer compared to those who don't, according to lead researcher While vaping is not risk free, it is less harmful than tobacco Our World in Data Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Health Issues What's the Harm? Texas DSHS