There are many diseases caused by genetic abnormalities. A defect of a specific gene can cause the production of thick, sticky mucus associated with cystic fibrosis. People missing functional genes needed for tumor suppression may be more susceptible to cancer. However, a lot of illnesses are complex and develop as a consequence of both genetics and the environment. Malignant mesothelioma may be one such disease. The inhalation of asbestos fibers is the only proven cause of this cancer, but not all individuals who are exposed to asbestos develop the disease. Some scientists infer that people … [Read more...]