What are long term side effects of excessive gum chewing

What are long term side effects of excessive gum chewing

http://www.chacha.com/question/what-are-long-term-side-effects-of-excessive-gum-chewing

With excessive gum chewing there are concerns about stomach burns, ulcers and risks of different cancers arise.

Are there any long term irreversible side effects from chewing ni…?

http://en.allexperts.com/q/Quitting-Smoking-2258/Long-term-side-effects.htm

Dear Emil, That is great that you have stayed quit. No there is nothing wrong with an occasional fix of nicotine. It is actually a safe drug. The problem with tobacco is all the other chemicals and carcinogens. You are apparently still a bi…