Your risk for pulmonary fibrosis increases if you are male, middle-aged or older, have received radiation therapy on your chest, or have taken chemotherapy drugs. Working in an industry that exposes you to lung-damaging pollutants such as mining, construction, or farming is a major risk factor. Pollutants that you may encounter in these industries include silica and hard metal dusts, bacteria, animal proteins, gases, and fumes. These are all harmful to your lungs. Three factors specifically increase your risk of developing the idiopathic (unknown causes) form of pulmonary fibrosis: smoking; viral infections from viruses such as influenza A, hepatitis C, Epstein-Barr, HIV-a, and herpes 6; and having a relative who has idiopathic pulmonary fibrosis. If you have gastroesophageal reflux disease, your risk for idiopathic pulmonary fibrosis increases; 90 percent of people who have idiopathic pulmonary fibrosis have gastroesophageal reflux disease.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.