Methods are disclosed for treating, preventing or reducing the risk of developing occupational lung diseases, such as pneumoconiosis. In several embodiments, the methods include administering a therapeutically effective amount of the suppressive ODN to a subject having or at risk of developing a pneumoconiosis, thereby treating or inhibiting the pneumoconiosis. In several examples, thee subject can have or be at risk of developing silicosis, asbestosis or berryliosis. The method can include selecting a subject exposed to, or at risk of exposure to, inorganic particles, including, but not limited to silica, asbestos, berrylium, coal dust, or bauxite.
