Laughter tends to reduce sympathetic nervous system (SNS) activity - TopicsExpress



          

Laughter tends to reduce sympathetic nervous system (SNS) activity while engendering softening, expanding, and relaxing parasympathetic nervous system (PNS) activity. One possible explanation for increased PNS activity is that the diaphragmatic movements induced by laughter help improve the cardiac vagal tone (which reflects how much your heart rate is influenced by your breathing.) Low vagal tone has been linked to chronic inflammation throughout the body, which is a known risk factor for heart failure, stroke, and diabetes.
Posted on: Fri, 28 Jun 2013 22:03:54 +0000

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