+Anxiety is a natural human [emotion](/wiki/emotion) characterized by feelings of worry, nervousness, or unease, typically about an event or something with an uncertain outcome. It can manifest physically and mentally, often triggered by [stress](/wiki/stress) or perceived threats.
+## See also
+- [Fear](/wiki/fear)
+- [Panic](/wiki/panic)
+- [Phobia](/wiki/phobia)
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