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Depression & Mental Health FAQs
US Centers for Disease Control and Prevention (CDC) estimated 40 million
Americans living today will suffer from major depressive illness during their lives.

Seasonal affective disorder is major depression that appears in the fall or winter and goes away in spring, thought to be caused by lack of sunlight.



Postpartum depression occurs within four weeks of a women giving childbirth. Most new mothers suffer from some form of the �baby blues.� Postpartum depression, by contrast, is major depression, thought to be triggered by changes in hormonal flows associated with childbirth.

Catatonic depression is a rare form of major depression characterized by (at least two): Stupor, excessive motor activity, extreme negativism, peculiarities in voluntary movement, and repetition of other people's words or actions. - mcmanweb.com



Psychotic depression is a rare form of depression characterized by delusions or hallucinations, such as believing you are someone you are not and hearing voices.


According to the National Institute of Mental Health, approximately 18.8 million American adults, or about 9.5 percent of the US population age 18 and older in a given year, have a depressive disorder.
Depression is a chronic illness that exacts a significant toll on America's health and productivity.  It affects more than 21 million American children and adults annually and is the leading cause of disability in the United States for individuals ages 15 to 44.


Lost productive time among U.S. workers due to depression is estimated to be in excess of $31 billion per year.  Depression frequently co-occurs with a variety of medical illnesses such as heart disease, cancer, and chronic pain and is associated with poorer health status and prognosis.  It is also the principal cause of the 30,000 suicides in the U.S. each year.  In 2004, suicide was the 11th leading cause of death in the United States, third among individuals 15-24.


According to the World Health Organization, depression is presently on track to becoming the world's second-most disabling disease (after heart disease) by the year 2020.

Depression is responsible for some $87 billion a year in lost productivity in the US (a conservative estimate), and according to Bank One, is responsible for most lost work days in its employees after pregnancy and childbirth.

Additionally, one million people worldwide die by their own hand, most as a result of a mood disorder. Finally, the linkage between depression and a host of physical illnesses makes it arguably the world's greatest killer.

Research presented at the 56th Annual Conference of the Canadian Psychiatric Association shows a marked link between bipolar disorder and migraines.

The odds of migraine in persons with bipolar disorder were 40% higher than the general population.

Data obtained from 36,984 people aged 15 and over, who screened positive for manic or depressive episodes with migraine, were compared against those who screened positive for mania but who didn�t suffer from migraines.

Amongst males, 14.9% of those with manic episodes were also diagnosed with migraines compared with 5.8% of the general population. Amongst females, 34.7% had both migraines and bipolar disorder compared with 14.7% who only had migraines.unquote.gif

While the research was skewed towards persons who were already diagnosed with bipolar disorders, what does it mean for people who suffer from migraines but who may have an undiagnosed bipolar disorder?



Migraines and headaches aren�t fully understood but the manifestations are very real and debilitating for their sufferers:

Throbbing pain
Nausea
Heightened sensitivity to light or sound
Seeing dots, wavy lines, flashing lights, or blind spots
Difficulty with speech, sensation, or movement

 


An estimated 2.1 million American adolescents have experienced major depression within the last year, according to a new comprehensive government study.  Researchers surveyed more than 67,000 young people ages 12 to 17 and found that one in 12 had suffered from serious depression in the previous year.Nearly 13 percent of girls had struggled with depression, compared to less than 5 percent of boys. Odds of depression increased with age -- just 4 percent of 12-year-olds experienced depression but that climbed to 11 percent for older teens.

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Commonly used antidepressants may also affect human immune system

By Lindsay
Thu, 2006-01-19 13:20.
Drugs that treat depression by manipulating the neurotransmitter serotonin in the brain may also affect the user's immune system in ways that are not yet understood, say scientists from Georgetown University Medical Center and a Canadian research institute.

That's because the investigators found, for the first time, that serotonin is passed between key cells in the immune system, and that the chemical is specifically used to activate an immune response. They do not know yet, however, whether these SSRI (selective serotonin reuptake inhibitors) drugs "including the brands Prozac, Zoloft, Paxil and others" could have either a beneficial or a damaging effect on human immunity.

"The wider health implication is that commonly used SSRI antidepressants, which target the uptake of serotonin into neurons, may also impact the uptake in immune cells," said Gerard Ahern, Ph.D., assistant professor of Pharmacology at Georgetown and lead researcher on the study.

He said that while it may be possible that SSRI drugs may restore a healthy immune function in people who are depressed and prone to infections, it is possible that they might also bolster immunity to the point that they trigger autoimmune disease. "At this point we just don't know how these drugs might affect immunity, so we really need to clarify the normal role of serotonin in immune cell functioning," Ahern said.

The surprising finding that serotonin is rapidly passed between immune cells in a manner similar to its transmission between brain neurons was revealed in mid-October, when the research team published the findings in the journal Blood. In December, the discovery was highlighted for the general scientific audience by the journal Nature Reviews Immunology, and now the research team is working to produce an animal model that may help describe the precise nature of this interaction.

"The novelty is that we reveal a potential communication, involving the transmitter serotonin, between immune cells that is normally only found between neurons," Ahern said.

In addition to Ahern, Peta Connell, Ph.D., from the Robarts Research Institute in Canada, was also a co-lead researcher on the study. Scientists from the Robarts Research Institute also contributed to the work.

In the brain, serotonin transmission between neurons is associated with feelings of pleasure, mood, and appetite, and the class of antidepressants known as SSRIs keeps serotonin active within the synaptic spaces between neurons, enhancing the chemical's positive effects. Unlike in the brain, which uses chemical messengers to communicate between nerve cells, the immune system is believed to "converse" through physical contact -- one type of immune cell touches another, setting off a response.

Specifically, "antigen presenting cells" display their antigens (bits of a foreign invader) to T-cells, and a resulting physical coupling between the antigens and the T-cells will prompt the T-cells to divide and expand in population, triggering an immune response designed to destroy the invader. This process may take hours.

What the Georgetown researchers found, however, is that dendritic cells -- the most powerful of the antigen-presenting cells and the ones that can find invaders that have never infected the body and "educate" the immune system to fight them -- also use serotonin to quickly excite a T-cell response. They discovered that these dendritic cells can rapidly secrete serotonin, which activates serotonin receptors on certain types of T-cells.

"In addition to the physical contact, it surprised us to find that these immune cells also have machinery to take up serotonin and to secrete it in an excitatory manner," Ahern said. "The point behind this transmission is not entirely clear, but it appears to be an additional way of stimulating a T cell response."

Drugs that block serotonin reuptake "likely change some of the parameters of T-cell activation, but we don't know yet if it enhances or inhibits the total immune response," Ahern said. "But it is something that should be explored because we really have no idea what SSRIs are doing to people's immune systems."

SOURCE:- Georgetown University

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Medical News
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Family Therapy With Medication Improves Depression In Bipolar Teens
In combination with medication, family-focused therapy appears to help curb depression symptoms in teens with bipolar disorder, according to a report released on September 1, 2008 in the Archives of General Psychiatry, one of the JAMA/Archives journals.  Bipolar disorders are characterized by occasional periods of elevated mood, known as mania.




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Chewing Gum May Help Reduce Stress According To New Research
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Family Therapy With Medication Improves Depression In Bipolar Teens
In combination with medication, family-focused therapy appears to help curb depression symptoms in teens with bipolar disorder, according to a report released on September 1, 2008 in the Archives of General Psychiatry, one of the JAMA/Archives journals.  Bipolar disorders are characterized by occasional periods of elevated mood, known as mania.

Healthy Minds Across America Features 48 Public Forums On Mental Health Research, Sept. 14
People concerned about the toll that mental health disorders are taking on their families and communities will have a unique opportunity to hear from world-class experts on what is known to-date about the causes, symptoms and progression of such illnesses as depression, bipolar disorder, anxiety, schizophrenia and autism, and learn about current and potential treatments.




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Adolescents From Certain Races Participating In Religion May Become More Depressed
One of the few studies to look at the effects of religious participation on the mental health of minorities suggests that for some of them, religion may actually be contributing to adolescent depression. Previous research has shown that teens who are active in religious services are depressed less often because it provides these adolescents with social support and a sense of belonging.




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Specific Brain Regions Show Increased Activity During Hallucinations
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Adolescents From Certain Races Participating In Religion May Become More Depressed
One of the few studies to look at the effects of religious participation on the mental health of minorities suggests that for some of them, religion may actually be contributing to adolescent depression. Previous research has shown that teens who are active in religious services are depressed less often because it provides these adolescents with social support and a sense of belonging.




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Healthy Minds Across America Features 48 Public Forums On Mental Health Research, Sept. 14
People concerned about the toll that mental health disorders are taking on their families and communities will have a unique opportunity to hear from world-class experts on what is known to-date about the causes, symptoms and progression of such illnesses as depression, bipolar disorder, anxiety, schizophrenia and autism, and learn about current and potential treatments.

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Depression & Mental Health FAQs 2
What is Clinical Depression?

Clinical depression can affect your body, mood, thoughts, and behavior. It can change your eating habits, how you feel and think about things, your ability to work and study, and how you interact with people.

Clinical depression is not a passing mood, a sign of personal weakness or a condition that can be willed away. Clinically depressed people cannot "pull themselves together" and get better.

Depression can be successfully treated by a mental health professional or certain health care providers. With the right treatment, 80 percent of those who seek help get better. And many people begin to feel better in just a few weeks.

Depression a Big Factor in Poor Health
World Health Organization Finds Depression Often Goes Untreated
By Salynn Boyles
WebMD Medical News
Reviewed by Louise Chang, MD

Sept. 6, 2007 -- Depression has a greater impact on overall health than arthritis, diabetes, angina, and asthma, but it all too often goes unrecognized and untreated, a report from the World Health Organization (WHO) suggests.
more...Depression a Big Factor in Poor Health

For Additional Information About Depression Write To:
The National Institute of Mental Health (NIMH)
6001 Executive Boulevard, Room 8184, MSC 9663
Bethesda, MD 20892-9663
 

For free brochures on depression and its treatment call:  1-800-421-4211.
or visit: http://www.nimh.nih.gov
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