There are numerous research studies and articles on the health benefits of yoga, yoga therapy, meditation and other mindful techniques. Please explore the following resources:

International Association of Yoga Therapy, https://www.iayt.org/

https://yogatherapy.health/

Yoga for Health eBook, https://nccih.nih.gov/health/yoga-ebook

117 Health Conditions Helped by Yoga, Dr. Timothy McCall, http://www.drmccall.com/uploads/2/2/6/5/22658464/yam_117conditions.pdf