The Gut-Brain Connection:
Vagus Nerve as Modulator of the Brain–Gut Axis in Psychiatric and Inflammatory Disorders
Orthodontics/ braces
https://www.massagetoday.com/articles/13356/The-Potential-Impact-of-Orthodontia-on-Whole-Body-Health
Migraines/ headaches
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8836770/#:~:text=Conclusions%3A%20A%20protocol%20based%20on,therapeutic%20approach%20in%20migraine%20patients.