The Sympathetic Nervous System (SNS) is a division of the autonomic nervous system that activates the”fight or flight” response. It prepares the body for intense physical activity in response to stress, releasing adrenaline, increasing heart rate, dilating pupils, and redirecting blood flow to vital organs.
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The Center for Nutritional Psychology. (2024). Sympathetic Nervous System (SNS). In Encyclopedia of Nutritional Psychology. The Center for Nutritional Psychology.
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