User:OnBeyondZebrax/sandbox/Anxiety

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People facing anxiety may withdraw from situations which have provoked anxiety in the past.{{cite book |last1=Barker |first1=P. |year=2003 |title=Psychiatric and Mental Health Nursing: The Craft of Caring |publisher=Edward Arnold |location=London |isbn=978-0-340-81026-2}}{{Page needed|date=May 2013}} There are different types of anxiety. Existential anxiety can occur when a person faces angst, an existential crisis, or nihilistic feelings. People can also face test anxiety, mathematical anxiety, stage fright or somatic anxiety. Another type of anxiety, stranger anxiety and social anxiety are caused when people are apprehensive around strangers or other people in general. Anxiety can be either a short term 'state' or a long term "trait".

Anxiety disorders are a group of mental disorders characterized by feelings of anxiety and fear,{{cite book|title=Diagnostic and Statistical Manual of Mental DisordersAmerican Psychiatric Associati.|year=2013|publisher=American Psychiatric Publishing|location=Arlington|isbn=978-0890425558|pages=189–195|edition=5th ed.}} where anxiety is a worry about future events. Anxiety disorders are partly genetic but may also be due to drug use including alcohol and caffeine, as well as withdrawal from certain drugs. They often occur with other mental disorders, particularly major depressive disorder, bipolar disorder, certain personality disorders, and eating disorders. Common treatment options include lifestyle changes, therapy, and medications.