Lung cancer is a disease where abnormal cells grow uncontrollably in the lungs, forming tumors that can spread to other parts of the body. It is usually caused by smoking, but air pollution, exposure to harmful chemicals, and genetic factors can also increase the risk. Common symptoms include a persistent cough, chest pain, shortness of breath, coughing up blood, and unexplained weight loss. Lung cancer can be treated with surgery, radiation, chemotherapy, targeted therapy, or immunotherapy, depending on the type and stage. Early detection improves the chances of successful treatment, so if you have long-lasting breathing issues or an ongoing cough, see a doctor as soon as possible.
