As other have said better than I could have - analogs are more of a one size one dose kind of thing. PLUS To change your dose you have to change your habit.

As other have said better than I could have - analogs are more of a one size one dose kind of thing. PLUS To change your dose you have to change your habit. With Ecig, to change the dose you just buy a different product, but your day to day (hour to hour) habits are the same as always.