if you smoke one cigarette what happens Why Smoking ANYTHING Can Cause Lung Cancer One Cigarette Can't Hurt? Think

2013;8:e73656

Sun YV, Smith AK, Conneely KN, Chang Q, Li W, Lazarus A, et al

I would take slight issue with the statement The full benefit of using e-cigarettes is from completely stopping smoking, Full benefit comes in many guises, including enjoying vaping for what it is in its own right, including enjoying flavours

Now, maybe you dont know much about me

Improvements in lung function and pulmonary health have been demonstrated among smokers who have switched to e-cigarettes [26]

Given that we can comfortably say that almost without exception, all e-cig users are former or current smokers, then the relative harm to the vast majority of users from e-cigs is actually a *negative* harm that is, a net benefit to their health