Jainists use mantras in daily prayers As well as in rituals to honor the Tirthankara, who was the Jainsit savior.  A 2019 study posted during the Journal of Clinical Psychology identified that mantra meditation noticeably reduced symptoms of PTSD in navy veterans. The analysis demonstrated a 28% reduction in PTSD https://trevorgdavs.blogkoo.com/getting-my-yantra-to-work-56192125