Lung Cancer Topic Guide
Lung Cancer: Lung cancer is the leading cause of cancer deaths. Symptoms and signs include coughing up blood, chest pain, wheezing, and chronic respiratory infections. Treatment depends upon the tumor stage, type of lung cancer, and the patient's overall physical condition.
Weight Loss Obesity is simply the accumulation of excess body fat. It is much more than that, however. Obesity is a chronic (long-term) disease that is very difficult to treat. It takes 3,500 extra calories to gain 1 pound. To lose weight, you must eat 3,500 calories less than you need, say 500 calories per day for one week, to lose 1 pound.
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