is vapes or cigarettes worse vaping as bad as smoking cigarettes? BBC Learning English from the News Vapes '95% safer' than cigarettes

Nicotine causes your brain to release high levels of dopamine a feel-good chemical

Despite differences in design intended to lower nicotine yield, the compensatory behaviors exhibited by smokerssuch as deeper inhalation and more frequent smokingresult in nicotine and tar intake levels that are comparable to, or even exceed, those of regular cigarettes

Though the earlier the better, its never too late to quit

Gynecol Oncol 103 : 1122 1129 Peto R, Darby S, Deo H, Silcocks P, Whitley E, Doll R ( 2000 ) Smoking, smoking cessation, and lung cancer in the UK since 1950: combination of national statistics with two case-control studies