Breath control helps quell errant stress response. Breathe in deeply to a count of four and out again slowly. There.  Don't you feel calmer?
D000203:Activities of Daily Living; D001945:Breathing Exercises; D004924:Escape Reaction / Q000502:physiology; D005260:Female; D006801:Humans; D012064:Relaxation Therapy; D013315:Stress, Psychological / Q000503:physiopathology / Q000517:prevention & control*