physiological signature of anxiety: Blushing is the dilation of blood vessels. Sweating is a natural consequence of raised body temperature. Shortness of breath and dry mouth are explained by your muscles’ increased demand for oxygen and water. Cold hands and feet? Victims of the sudden diversion of blood to your biggest muscles. Shaking hands or lips? Blame the adrenaline that floods the body, leaving us trembling like a revving motor. Muscles get fatigued from being coiled like a spring. And finally, the gastrointestinal system discharges any, uh, extra weight, thus lightening the load so we
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