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Anxiety is a feeling of worry, nervousness, or fear about an event or situation. It is a normal reaction to stress. It helps you stay alert for a challenging situation at work, study harder for an exam, or remain focused on an important speech.
Characterized by the fear or worry that something bad will happen, normal anxiety occurs occasionally in response to situations that threaten our sense of security. This helps us avoid harm and remember not to put ourselves in the same potentially dangerous situation in the future.