Anxiety is a physiological and psychological state characterized by cognitive, emotional, and behavioral components. These components combine to create an uncomfortable feeling that is typically associated with uneasiness, apprehension, or worry. Anxiety is a generalized mood state that occurs without an identifiable triggering stimulus. As such, it is distinguished from fear, which occurs in the presence of an external threat. Additionally, fear is related to the specific behaviors of escape and avoidance, whereas anxiety is the result of threats that are perceived to be uncontrollable or unavoidable
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