This document discusses oral cancer, including its causes, risk factors, symptoms, prevention, and consequences if left untreated. It notes that oral cancer is often caused by tobacco use and excessive alcohol consumption. Symptoms may include sores or lumps in the mouth. Prevention strategies include avoiding tobacco and limiting alcohol, eating a healthy diet, and seeing a dentist regularly for cancer screenings. Failure to prevent oral cancer could result in severe consequences like disfigurement or even death.