Nocebo effect - what is it? And what can we do about it?

Professor Keith Petrie talks about the 'nocebo' effect. Keith is a professor in the Department of Psychological Medicine, University of Auckland and has made significant contributions to health, medicine and psycho-immunology. His Illness Perception Questionnaire (IPQ) is widely cited, and its use has advanced the understanding of how people perceive and respond to illness, with implications for recovery.