Tobacco can result in gum disease because of how it affect the soft tissue. It is believe to interfere with the normal functions of your cells which can result in periodontal disease. Tobacco also suppresses the immune system so your body is less likely to ward off infection. And once you have a gum infection, smoking makes it more difficult for your gums to heal. If you are a smoker, please quit and if you don’t smoke, don’t start!