The effectiveness of diaphragmatic breathing relaxation training for reducing anxiety
Chen YF, Huang XY, Chien CH, Cheng JF. The effectiveness of diaphragmatic breathing relaxation training for reducing anxiety. Perspect Psychiatr Care. 2017;53(4):329-336. doi:10.1111/ppc.12184
Diaphragmatic breathing significantly reduces subjective (questionnaire) and physiological (heart rate, breathing rate) indicators of anxiety in patients with mild-to-moderate anxiety.