Respiratory diseases, including asthma, asbestosis, bronchitis, emphysema & mesotheliomal tumour • Environmental factors, including fugitive gas emissions, irritants, carbon monoxide poisoning & toxicology • Occupational disease, including post-traumatic stress disorder (PTSD) • Drink driving, failure to give breath sample due to medical impairment • Musculoskeletal disease • Hand-arm vibration syndrome (HAVS) • Heavy metals poisoning, including cadmium, lead & mercury Correspondence address: Hollyoaks, 20 Haven Gardens,...