Stress is our brain’s reaction to threat and it gets us ready for some sort of action. When we stress, cortisol flows through our body, resulting in all sorts of physiological changes. Problems arise when our body starts producing all this potential for action, and has no action to take. However, the physical act of laughing involves an enormous amount of activity across a bunch of different areas. From the electrical activity in the brain as you process the humor, to the facial muscles that make you smile and laugh, to the diaphragm that forces the lungs to inhale and exhale, to the arm and
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