Summary: charged particles which become attached to indoor second hand smoke particles and thus can be inhaled deeply into the lungs where their radiation causes the most damage to lung tissue cells. To the above left is a picture of lung tissue containing asbestos crystals which are often the cause of Asbestosis, mesothelioma, or asbestos lung cancer. To the above right is a picture
Image Dimensions: 411 x 690
Image originally found here.