I vaguely remember that potassium nitrate speeds up the absorption, giving cigarettes more of a "kick", thus making them more addictive. When I used to smoke (5

I vaguely remember that potassium nitrate speeds up the absorption, giving cigarettes more of a "kick", thus making them more addictive. When I used to smoke (5 years since I kicked the habit, yay!) chemical-free tobacco felt less addictive. http://en.wikipedia.org/wiki/Potassium_nitrate http://en.wikipedia.org/wiki/Potassium_nitrate