Mesothelioma is a very serious form of cancer that affects the lungs and spreads rapidly. The only known cause of mesothelioma is asbestos exposure. Many companies that used asbestos in the past have set aside billions of dollars in trust funds to compensate mesothelioma victims. However, if the money is unclaimed, it goes directly back to these companies. 100 Questions & Answers About Mesothelioma provides treatment information for those diagnosed with this deadly disease. Companies knew that asbestos was dangerous for over 50 years. In spite of this, companies continued to use materials made out of asbestos because it was cheaper than alternative materials. These companies hid the truth from the public and their own employees for years. In addition, medical studies were manipulated to hide the dangers of asbestos.