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Health Encyclopedia: Anxiety Disorders Introduction
- Anxiety Disorders - Introduction
- Highlights
- Anxiety - Causes
- Anxiety - Risk Factors
- Complications
- Anxiety Diagnosis
- Treatment
Introduction
Fear and stress reactions are essential for human survival. They enable people to pursue important goals and to respond appropriately to danger. In a healthy individual, the stress response (fight, fright, or flight) is provoked by a genuine threat or challenge and is used as a spur for appropriate action.
An anxiety disorder, however, involves an excessive or inappropriate state of arousal characterized by feelings of apprehension, uncertainty, or fear. The word is derived from the L...
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Health Guide
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...angerAnxietyDepressionThe first signs of nicotine withdrawal seem to appear within 30 minutes of a smokers last cigarette. The findings, published in Psychopharmacology, are believed to be the... Read more »Stress: Conditions with Similar Symptoms
...conditions. Some individuals with anxiety disorders have numerous physical complaints, such as headaches, gastrointestinal disturbances, dizziness, and chest pain. Severe cases of anxiety... Read more »Depression diagnosis, screening tests
...with a family or personal history of depressionPatients with multiple medical problemsPatients with physical symptoms that have no clear medical causePatients with chronic painIndividuals who... Read more »Premenstrual Syndrome: Risk Factors
...any of the following are actual risk factors:Having a mother who had PMSBeing sedentaryStressHigh-sugar dietConsumption of large amounts of caffeineAlcohol abuseWomen with more children may... Read more »Images
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