As I am a believer in poetry for healing, I’ve found that I am not alone with this realization. There have been many articles written on the subject from bloggers such as myself, to journalists and also university studies. You too might be interested in reviewing some of the following links pertaining to this subject
https://www.goodtherapy.org/blog/can-poem-be-healing-writing-poetry-through-pain-0131185
https://www.irishtimes.com/culture/books/the-healing-power-of-poetry-1.3399353
https://www.huffingtonpost.com/diana-m-raab/poetry-and-healing_b_3119255.html
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1142208/pdf/neh096.pdf
Here are some suggestions for reading:
The Poetry of Impermanence, Mindfulness, and Joy – over 125 poetic companions from Basho to Shakespeare – Edited by John Brehm
Poetic Medicine – The Healing Art of Poem-Making by John Fox