Asbestos is a dangerous substance that was commonly used in buildings up until the 1990s. This fibrous material was once considered a miracle product because of its insulation and fire-resistant properties. However, it's now known that asbestos causes a range of health problems, including lung cancer, mesothelioma, and asbestosis.

Asbestos fibers are released into the air when materials containing asbestos are disturbed or damaged. This can happen during renovations or demolitions or just through regular wear and tear. If asbestos-containing materials are left in place, they can pose a significant risk to the health of the occupants of the building.