Get Niigata-shi, Japan typical March Weather including average and record temperatures from AccuWeather.com
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 main symptoms of anxiety are fear and worry. In turn, anxiety can cause or go hand-in-hand with other problems including: 1  Restlessness. 2  Sleeplessness. 3  Depression. 4  D ifficulty concentrating. 5  Difficulty completing tasks. 6  Difficulty getting along with others.