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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.
The symptoms of anxiety fall into two categories: emotional and physical. Many of these symptoms are the same issues you would experience if you had a serious health problem. For example, anxiety can cause chest pains, but so can heart disease. That's why it's still important to visit a doctor and just make sure that you're in good health.