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Sunday, October, 25, 2009

Physiological Psychology

Health Encyclopedia: Insomnia Causes Of Chronic Insomnia

Causes of Chronic Insomnia


Sleep problems seem to run in families. About 35% of people with insomnia have a family history of insomnia, with the mother being the most commonly affected family member. Still, because so many factors are involved in insomnia, a genetic component is difficult to define.

Brain Chemicals and Hormones Affecting Chronic Insomnia

Abnormal levels of certain brain chemicals have been observed in some people with chronic insomnia.

  • Melatonin. Low levels of melatonin, the hormone...
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Health Guide

The Prevalence and Types of Sexual Dysfunction in People With Cancer
Sexuality is a complex, multidimensional phenomenon that incorporates biologic, psychologic, interpersonal, and behavioral dimensions. It is important to recognize that a wide range of normal sexual... Read more »
Corporal Punishment in School
Twenty-two states in the United States allow some type of corporal punishment in schools, however, these states provide the local school board to determine if corporal punishment is allowed.... Read more »
Stress: Complications
In prehistoric times, the physical changes in response to stress were an essential adaptation for meeting natural threats. Even in the modern world, the stress response can be an asset... Read more »
Anxiety Disorders: Diagnosis
A physical examination and medical and personal history is essential. Because anxiety accompanies so many medical conditions, some serious, it is extremely important for the doctor to... Read more »
Schizophrenia: Causes
CausesNo single cause can account for schizophrenia. Rather, it appears to be the result of multiple causes such as genetic factors, environmental and psychological assaults, and possible hormonal... Read more »

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