fight-or-flight response
an emotional and physiological reaction to an emergency that increases readiness for action
The fight-or-flight response, also known as the acute stress response, is a physiological response that occurs in response to a perceived threat or danger. It is a natural, automatic response that prepares the body to either fight the threat or run away from it.
When someone experiences a perceived threat, the hypothalamus, a small region at the base of the brain, triggers a series of physiological responses, including the release of hormones adrenaline and cortisol. These hormones cause an increase in heart rate, blood pressure, and breathing rate, and redirect blood flow from non-essential organs to the muscles, preparing the body for action.
The fight-or-flight response can be helpful in situations where there is a true threat or danger, such as encountering a wild animal, as it provides the body with increased energy and heightened senses to better handle the situation. However, this response can also be triggered in situations where there is no real threat, such as when someone experiences anxiety or stress. This can lead to negative health consequences if the stress response is repeatedly triggered, and the body does not have a chance to return to its normal state of functioning.
Overall, the fight-or-flight response is a natural physiological response that prepares the body to handle perceived threats, but it is important to manage stressors effectively to prevent negative health consequences.
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