Feelings of anxiety are a natural part of life. People feel anxiety over both serious and trivial things, often inexplicably, and stress can cause or exacerbate these feelings. For some people, however, anxiety is a consistent part of their lives, affecting their ability to function day-to-day, as well as their mood and relationship. These people may have a category of mental health condition called anxiety disorders.


1. Is Anxiety Always a Disorder?

Anxiety is a nervous disorder that causes frequent and repetitive feelings of worry, apprehension, and fear. People experience anxiety differently, and it is separate from the occasional worries that affect the general population. A person can feel anxious and not have anxiety. In the context of this article, anxiety is a treatable mental illness.

Define Anxiety Disorder Mental Illness Cecilie_Arcurs / Getty Images


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