Joining Dr Shane is Dr Lauren (US), Dr Laura, Dr Ray. First guest in the studio is Dr Michelle Hall - Research Fellow from the Centre for Health, Exercise and Sports Medicine, Dept of Physiotherapy at The University of Melbourne. Her current research focuses on how osteoarthritis develops in young and middle-aged individuals following injury and surgery, and how exercise can ultimately improve quality of life for people living with osteoarthritis. Second guest is Professor Sharon Lewin, Director, Doherty Institute. Day of immunology approaches so Professor Sharon discusses the three biggest infections - influenza, Dengue fever and HIV. Dr Chris Hurren from Deakin University comes into the studio to explain why our denim jeans are destroying the planet. The Genioz study aims to investigate the Australian public's expectations of personal genomics. Link http://www.genioz.net.au/