If you have been exposed to asbestos, you're at risk of developing mesothelioma which is a lethal cancer that affects the lining of the lung. While asbestos was banned in 1999 it is still found in the air. Many people are unaware that they could have been exposed to asbestos. http://mesothelioma93152.blogrelation.com/16977681/an-overview-of-mesothelioma