Asbestos is a naturally-occurring mineral, which exists in various forms, including white, blue and brown asbestos. But what all forms of asbestos have in common is the thin fibres which the substance is made up of. It is these fibres that pose a threat to humans - when the fibres are inhaled, they can cause serious damage to the lungs. This program covers: The dangers of asbestos; Asbestosis, mesothelioma, and lung cancer; Where can I find asbestos?; Hazards of asbestos; Control measures; The asbestos register; Asbestos monitoring; and Personal protective equipment. 11 minutes.