"the nicotine level in one dip of snuff equals that in cigarettes."

4
   Nicotine is as harmful as smoking even much time. As the effects of Snuff are stronger and reactions faster in the blood than even for conventional cigarette smokers. The harmful side effects of smoking cigarette would be even more faster for snuff sniffers than cigarette smoker because of the level of nicotine

Lacking something of the ozone layer