+Fear is a fundamental [Emotion](/wiki/emotion), an intense and often unpleasant feeling caused by perceived danger. It functions as a vital [Survival](/wiki/survival) mechanism, triggering physiological and and behavioral responses like fight, flight, or freeze.
+## See also
+- [Anxiety](/wiki/anxiety)
+- [Stress](/wiki/stress)
+- [Phobia](/wiki/phobia)
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