e cigarettes are safe to smoke Don't Go Up in Smoke: E-Cigarette Safety E-Cigarettes Are Safer, but Not

That's not likely to change, even if we all scream for them to step up and ban all the bad guys

This inverse relationship implies that the CDC may have it backward: instead of causing young people to take up smoking, e-cigs may be helping youth who already smoke quit the deadly habit

Zhai 12 conducted a single-center retrospective study in China and reported that heavy smokers had lower UC severity than other smokers and nonsmokers based on the Modified Mayo score, and that current smokers needed fewer corticosteroids than nonsmokers

The study also tested an assumption, based on a 40-year-old study, that the rate of decline in lung capacity "normalises" within a few years of quitting smoking