The patients' guide to real medicine, returns for a nine-part series. 1: Coughing.A look at a vital part of the body's defence mechanism which can be caused by breathing in dust particles or a chest infection, and more rarely can be a sign of acute heart failure. As the coughs and colds season approaches, Dr Graham Easton asks how much evidence there is that cough mixtures which can be bought over the counter really work.
Producer Paula McGrath. Repeated tomorrow at 4.30pm Stop that cough - Dr Mark Porter : page 24