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What causes anxiety disorders?

ANSWER

Researchers don’t know exactly what brings on anxiety disorders. Like other forms of mental illness, they stem from a combination of things, including changes in your brain and environmental stress, and even your genes. The disorders can run in families and could be linked to faulty circuits in the brain that control fear and other emotions.

From: What Are Anxiety Disorders? WebMD Medical Reference

SOURCES:

American Psychological Association.

National Institute of Mental Health.

Anxiety Disorders Association of America: “Medications.”

Mayo Clinic: “Anxiety.”

Twin Research and Human Genetics : “Common Psychiatric Disorders and Caffeine Use, Tolerance, and Withdrawal: An Examination of Shared Genetic and Environmental Effects.”

Anxiety and Depression Association of America: “Physical Activity Reduces Stress.”

Revista Brasileira de Reumatologia (Brazil): “Effects of physical exercise on serum levels of serotonin and its metabolite in fibromyalgia: a randomized pilot study.”

Reviewed by Smitha Bhandari on June 12, 2017

SOURCES:

American Psychological Association.

National Institute of Mental Health.

Anxiety Disorders Association of America: “Medications.”

Mayo Clinic: “Anxiety.”

Twin Research and Human Genetics : “Common Psychiatric Disorders and Caffeine Use, Tolerance, and Withdrawal: An Examination of Shared Genetic and Environmental Effects.”

Anxiety and Depression Association of America: “Physical Activity Reduces Stress.”

Revista Brasileira de Reumatologia (Brazil): “Effects of physical exercise on serum levels of serotonin and its metabolite in fibromyalgia: a randomized pilot study.”

Reviewed by Smitha Bhandari on June 12, 2017

NEXT QUESTION:

How are anxiety disorders diagnosed?

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