The problems with chewing tobacco are well-known.
BTW, colon cancer is rising among men in their 40s, and there is no known reason why.
Those problems are because of the tobacco. Zyn packets et al are just nicotine, and nicotine itself has not been shown to be a carcinogen.
Those problems are because of the tobacco. Zyn packets et al are just nicotine, and nicotine itself has not been shown to be a carcinogen.