Oral cancer is among the most prevalent kinds of head and neck cancer. It’s a category of conditions that originate in the cells of your mouth and can progress to other areas of your human body (metastasize). The changes could be the result injuries, infections or stress or a the lack of proper oral care. Additionally certain genetic disorders can cause changes within the cells of your mouth. If you are suffering from an underlying condition that is precancerous you should visit your doctor immediately because these conditions can develop into cancer. You can avoid precancerous diseases by eating a healthy diet, doing regular exercise and maintaining a healthy oral health.