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Symptoms of Anxiety. Symptoms of Anxiety: Introduction. The symptoms of anxiety are due to the body's reaction to stress called the fright, fight or flight response. This reaction developed in early human evolution as a means to increase alertness and readiness to react to dangerous stressors, such as the threat of a man-eating predator.
Anxiety symptoms in women and men. The majority of anxiety symptoms in women and men are similar, but there are some anxiety symptoms differences. For example, anxiety causes stress hormones to enter the bloodstream where they travel to targeted spots in the body to bring about specific emergency response changes.