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Fear is a vital response to physical and emotional danger — if we didn't feel it, we couldn't protect ourselves from legitimate threats. But often we fear situations that are far from life-or-death, and thus hang back for no good reason.
Anxiety, or extreme apprehension and worry, is a normal reaction to stressful situations. But in some cases, it becomes excessive and can cause sufferers to dread everyday situations. This type of steady, all-over anxiety is called Generalized Anxiety Disorder.