Why is asbestos considered a health hazard?

Asbestos is considered a health hazard primarily because its fibers can become airborne when disturbed. This characteristic poses significant risks; when inhaled, the tiny asbestos fibers can become lodged in the lungs and other parts of the respiratory system, leading to serious health conditions such as asbestosis, lung cancer, and mesothelioma. The ability of these fibers to remain suspended in the air for extended periods increases the likelihood of exposure, making it vital for workers and inspectors to recognize and manage the presence of asbestos in buildings.

The other options do not directly contribute to the health risks associated with asbestos. For instance, while asbestos is non-combustible, this quality does not relate to its health hazards. Similarly, its perceived strength as a building material or any suggestion that it enhances indoor air quality does not address the key concern of fiber exposure, which is the primary reason for its classification as a health hazard. Understanding the mechanics of how asbestos poses risks is essential for proper inspection and remediation practices.