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According the downloadable brochure published by the National Institute of Mental Health, question #3, "In any year, 2.4 million Americans have panic disorder."
from Gulli, Laith Farid and Bilal Nasser. "Panic Disorder." Gale Encyclopedia of Genetic Disorders. Ed. Brigham Narins. Vol. 2. 2nd ed. Detroit: Gale, 2005. 985-988.
Panic disorder definitely runs in families and twin studies suggest that about 20% of patients who have the criteria for diagnosis have first-degree relatives with the disorder. In families with no history of affected first-degree relatives the prevalence decreases to 4%. The ratio between monozygotic twins (identical) to dizygotic (non-identical) twins is 5:1 for PD. Recent evidence suggests that there is a genetic mutation in the SLC6A4 gene. This gene is related to a brain chemical called serotonin, a chemical in the brain, which is known to effect mood. If the transport of serotonin is imbalanced then certain parts of the brain may not receive the correct stimulus causing alterations in mood. Some studies have demonstrated that there is no positive family history in about 50% of patients diagnosed with PD. Other possible causes of PD include social learning and autonomic responsivity (the attack will affect the body and hypersensitizes nerve cells in the brain). PD usually begins during the affected persons late teens or in the twenties, and is uncommon after age 35 and unusual after age 45 years. Global studies suggest that the lifetime prevalence of PD is between 1.5% and 3.5%. In the United States approximately 3-5% of the population is affected with the disorder. In any given year approximately 1.7% of the U.S. population has PD. This represents about 2.4 million Americans. PD is twice as common in females compared to males (female:male ratio is 2:1).
Lesley Williams
Evanston Public Library
http://www.epl.org/library/reference-help.html
What else can I help you with?
What are some good books about panic disorder?
Sheehan, Elaine. Anxiety, Phobias and Panic Attacks: Your Questions Answered. New York: Element, 1996. Wilson, Robert R. Don't Panic: Taking Control of Anxiety Attacks. New York: Harper Collins, 1996.
How did you overcome panic attacks?
One of the most effective ways to stop having panic attacks is to look at each symptom of the panic attack as it's own thing, rather than a symptom of a panic attack. For example, someone might always feel really dizzy when he is starting to have a panic attack. Then the next time he feels dizzy and can't explain why, he begins to get nervous, and the nervousness causes more symptoms, and the cycle continues until he's actually having a panic attack. A way for him to get better would be to start spinning, and replicate the dizziness, so he can realize that dizziness doesn't necessarily mean panic attack. If you sweat excessively during panic attacks, then go to a sauna. If you feel out of breath during panic attacks, hyperventilate. Isolating the symptoms can help stop them from escalating.
How do you avoit panic attacks?
One of the most effective ways to stop having panic attacks is to look at each symptom of the panic attack as it's own thing, rather than a symptom of a panic attack. For example, someone might always feel really dizzy when he is starting to have a panic attack. Then the next time he feels dizzy and can't explain why, he begins to get nervous, and the nervousness causes more symptoms, and the cycle continues until he's actually having a panic attack. A way for him to get better would be to start spinning, and replicate the dizziness, so he can realize that dizziness doesn't necessarily mean panic attack. If you sweat excessively during panic attacks, then go to a sauna. If you feel out of breath during panic attacks, hyperventilate. Isolating the symptoms can help stop them from escalating.
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Hiya, 1.5 million are diagnosed with a terminal illness in the uk each year. Hope it helps
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