When you are afraid, your body is alerted and your brain prepares for flight or combat. Your brain fills your central nervous system with adrenalin and cortisol to assist you battle everything that made you uneasy. These chemicals notify your body something frightening is going to occur. It is their responsibility to assist you in dealing with risk. To achieve this, they enhance your senses and speed up your thinking. If the risk is gone, the friendly portion of your nervous system will overcome and settle you in a non-anxious brain.
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