This week’s guest has led something of a double life, using both medicine and the media to explore and promote the critical role of evidence in healthcare. Now based at the University of Sydney, Alexandra Barratt's journey from clinician to journalist to global advocate for evidence based medicine and shared decision-making is a fascinating one.

Here she talks with Ray about her varied career and the reasons she's ended up challenging conventional wisdom. She also talks about her research into the pros and cons of breast cancer screening and questions the widely-accepted idea that early detection is always the best medicine. For show notes and a complete transcript of this episode, visit australia.cochrane.org/trd.