West Virginia Mesothelioma Attorney James Humphreys explains how Asbestos companies have had knowledge of the dangers of asbestos and asbestos exposure for years. Asbestos exposure is the only source of Malignant Mesothelioma Lung Cancer. Because Asbestos Corporations concealed information about the dangers of asbestos, thousands of asbestos workers and their family members have contracted Mesothelioma, Asbestos Lung Cancer, and Asbestosis.