The Risks Of Asbestos Exposure Asbestos poses no risk unless the microscopic fibers break down and become airborne. Workers who work with asbestos smokers, asbestos workers, and those with lung diseases are at the highest risk. Secondhand exposure can occur when employees bring home asbestos particles on their clothing, shoes http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1923326