While vaping is not risk free, it is less harmful than tobacco Our World in Data E cigarette flavors are toxic to white blood cells, warn scientists 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 Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Have you ever breathed in secondhand vapor from a vape? What exactly are you inhaling? It turns out it's a lengthy list of chemicals. FULL STORY Health Issues What's the Harm? Texas DSHS