It is really good to see dance and mental health being discussed. I congratulate Peter on his excellent research in dance psychology. News-medical asked some important questions and the responses from Peter were based in sound knowledge and interesting inquiries. I think Peter's research with people with Parkinson's is brilliant and it is important to get the message across that dance has a unique contribution to make in improving people's health and well-being. However, there is an omission. Peter's work is a contribution to a large body of literature on dance movement psychotherapy which has research on, for example, dance and depression, autism, substance abuse, schizophrenia, dementia, medically unexplained symptoms, learning difficulties, children at risk, cancer, anxiety etc. There are at least two Cochrane Reviews of systematic studies in dance movement psychotherapy. It began in the 1940s and has developed into one of the arts therapies professions and is regularly prescribed for people suffering mental ill health in the NHS and privately. There are Masters level training courses in the UK and globally and a professional association  - ADMP UK. My next book titled 'Essentials in Dance Movement Psychotherapy' due to be published April 2017 by Routledge, documents theory, research and practice. Thank you Peter! Professor Helen Payne