What is the healthiest route of injesting tobacco?
Basically how can one get the effects from tobacco contained by the least risky form to the body?
Answer: There is no healthy bearing to use tabacco. Sorry. Where ever you use it is going to be more likely to get hold of cancer - mouth, lungs, etc.
Use as a rectal suppository. Sorry buddy, there's no healthy mode of injesting tobacco. It's a cancer giving can of crap.
Try a Nicorette Inhalator. I use that when I'm trying to quit.