What are the symptoms and causes of lung cancer.?
Lung cancer is the leading cause of cancer in the WORLD, among both men and women. It claims more lives each year than colon, prostate, lymph and breast cancers combined. SYMPTOMS. Lung cancer typically doesn’t cause signs and symptoms in its earliest stages. Signs and symptoms of lung cancer typically occur only when the disease is advanced. Signs and symptoms of lung cancer may include: -A new cough that doesn’t go away -Changes in a chronic cough or “smoker’s cough” -Coughing up blood, even a small amount -Shortness of breath -Chest pain -Wheezing -Hoarseness CAUSES Lung cancer most commonly begins in the cells that line your lungs. Smoking causes the majority of lung cancers — both in smokers and in people exposed to secondhand smoke. But lung cancer also occurs in people who never smoked. In these cases, there may be no clear cause of lung cancer. Doctors have identified factors that may increase the risk. How smoking causes lung cancer Doctors believe smoking causes lung cancer b
