Reference:

Peper, E., Harvey, R., Cuellar, Y., & Membrila, C. (2022). Reduce anxiety. NeuroRegulation, 9(2), 91-91.

Bystritsky, A., & Kronemyer, D. (2014). Stress and anxiety: counterpart elements of the stress/anxiety complex. Psychiatric Clinics, 37(4), 489-518.

American Psychiatric Association. (2013). Diagnostic and Statistical Manual of Mental Disorders 5th Edition (DSM-5). Washington, DC: Author.