Inhalation of asbestos can result in various diseases including asbestosis, lung cancer, and mesothelioma. The most common diseases associated with chronic exposure to asbestos are asbestosis and mesothelioma. Inhalation of asbestos fibres can lead to various serious lung conditions, including asbestosis and cancer. Asbestosis is caused by breathing in asbestos fibers. There have been several deaths and debilitating diseases from work-related illnesses like asbestosis. Clinically advanced cases of asbestosis may lead to respiratory failure. The characteristic pulmonary function finding in asbestosis is a restrictive ventilatory defect. Those with asbestosis are at increased risk for certain cancers. The result is fibrosis in the interstitial space, thus asbestosis. This can result in shortness of breath, a common symptom exhibited by individuals with asbestosis. Scruggs paid for the client's medical tests which revealed the medical ailment to be asbestosis. These rules regulated ventilation and made asbestosis an excusable work-related disease. Fiberglass used for insulating appliances appears to produce human disease that is similar to asbestosis. In the report he named the disease "asbestosis". The first diagnosis of asbestosis was made in the UK in 1924.