It varies wildly: Chewing tobacco induces cancer by direct contact & by dissolving cancer producing chemicals in the saliva that pools in the floor of the mouth under the tongue. There are high school kids who develop cancer in a few years while others develop more slowly. Chewing tobacco has many other harmful effects of periodontal bone loss, gum infections, increased decay, poor wound healing, nicotine addiction.
Answered 6/7/2018
5.6k views
It varies: Some people use chewing tobacco and never develop cancer. In others it can happen quickly. It probably is an interplay between the cancer-causing chemicals in tobacco and genetics. My advice is stop using tobacco. It's like chewing on toxic waste.
Answered 3/12/2020
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