Learn how to get ready to quit, how to quit, and how to stay quit for a healthier, smoke-free future.
Lactose is the main sugar in cow's milk. People who have difficulty digesting milk have lactose intolerance. The condition is caused by a shortage of the enzyme lactase, which breaks down the lactose into a form that can be used by the body. This video explains how you can cope with this condition.
Lung cancer is a cancer that starts in the lungs. The major cause of lung cancer is smoking cigarettes. Learn about risk factors for lung cancer by taking this short assessment.
Detailed information on lung disorders and diseases, signs of respiratory distress, Chronic Obstructive Pulmonary Diseases (COPD), Asthma, Chronic Bronchitis, Pulmonary Emphysema, Acute Bronchitis, Cystic Fibrosis, Occupational Lung Diseases, Pneumonia, Primary Pulmonary Hypertension, Pulmonary Embolism, Pulmonary Sarcoidosis, Severe Acute Respiratory Syndrome (SARS), Tuberculosis
A lung nodule is a small growth on the lungs.