Dance/Movement Psychotherapy is recognised by the National Institute of Clinical Excellence (NICE) as an effective and evidenced based treatment for a variety of diagnoses

Creative therapies has a wide evidence base consisting of books, articles and reviews, some of these can be found here should you wish to check the basis for expressive therapies further for yourself

https://dtaa.org.au/about/eip-statement/

https://www.evidence.nhs.uk/search?q=dance+movement+therapy+

https://drive.google.com/file/d/1C8UqZoPGfBkU9BsRNMXoCl8qHabSHNj2/view

https://www.pacfa.org.au/common/Uploaded%20files/PCFA/Documents/Research/The-Effectiveness-of-Expressive-Arts-Therapies.pdf

https://pacja.org.au/2014/07/the-effectiveness-of-expressive-arts-therapies-a-review-of-the-literature/

https://www.frontiersin.org/articles/10.3389/fpsyg.2020.00068/full