Only 1 in 10 people realise that a persistend cough could be a key symptom of lung cancer. LungHealth UK is the leading provider of lung cancer early detection services and offers the best clinical diagnostics designed to detect lung cancer at an early stage allowing more opportunity for successful treatment. This page is for people who have been affected by lung cancer or know friends/family who have. Share advice, news and general discussion by posting and commenting on this page.