Well, if they're "potentially as harmful", then probability is on the side of making the switch to an e-cig. It can be better, or the same. Can't be worse, and

Well, if they're "potentially as harmful", then probability is on the side of making the switch to an e-cig. It can be better, or the same. Can't be worse, and you might leave it altogether in the end if you make the switch.