Why are asbestos containing materials considered hazardous?

• A. They are flammable
• B. They cause asbestosis
• C. They emit toxic gases
• D. They create dust

Answer: (B)

Asbestos-containing materials are considered hazardous primarily because they can cause asbestosis, a serious and chronic lung disease. When asbestos fibers are disturbed, they can be inhaled, leading to severe respiratory problems. Asbestosis is characterized by the formation of scar tissue in the lungs, resulting in reduced lung function and significant health risks.

The health implications of asbestos exposure extend beyond just asbestosis, as it is also associated with other serious illnesses, including lung cancer and mesothelioma. The long latency period between exposure and the onset of these diseases further underscores the importance of treating materials containing asbestos with extreme caution.

While it is true that asbestos can create dust, which can be harmful when inhaled, and could possibly emit toxic substances when burning, the defining characteristic that classifies them as hazardous is their potential to cause serious respiratory diseases, particularly asbestosis. Thus, the focus on the health risks associated with exposure makes the correct answer particularly relevant in discussions about the dangers of asbestos.