dipped tobacco Smokeless not safe alternative | Article How to Dip Smokeless Tobacco:

Use this once or twice a week to avoid enamel damage

Flue cured is pretty much the same thing, except indirect heat is used to cure it, usually from big kerosene heaters that have radiator pipes running around the top and sides of the barn where the tobacco hangs

The possibility of using the same device with another cartomizer and saving the cost of purchasing a whole new device altogether provides an effectively cheaper solution in the long run

Mortality from tobacco in developed countries: indirect estimation from national vital statistics

Here is a chart that lists the number of flavors offered and nicotine strengths of the major players