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New Research Shows Mental Illness Common, Linked to Heart Disease (20/09/2011)


Mental illnesses — led by anxiety disorders and depression — now affect one-quarter of the US population according to new research. In Europe a similar proportion — about 27 percent — suffers from these same illnesses, a second new study concludes.

In developed countries, mental illness causes more disability than cancer and heart disease according to the World Health Organization. In fact, mental illnesses such as depression may even contribute to heart disease, cancer and other chronic illnesses.

Typically someone with symptoms of heart disease or cancer seeks treatment. But partly due to stigma, mental illness often goes unrecognized and untreated, although the direct impacts — mental anguish and impaired functioning — are significant.

Less well understood are the risks for other illnesses faced by those who suffer from mental illness.

“Mental illness exacerbates morbidity from the multiple chronic diseases with which it is associated, including cardiovascular disease, diabetes, obesity, asthma, epilepsy, and cancer,” according to authors of the US study, led by researchers from the US Centers for Disease Control (CDC) and Prevention and published in the Sept. 2 issue of the Morbidity and Mortality Weekly Report.

Since the late-1990s, UCSF professor Mary Whooley, MD, an internist with the San Francisco Veterans Affairs Medical Center, has been leading research on the impacts of depression on chronic medical conditions — especially heart disease. She has looked for physiological changes as well as behaviors that might be associated with risks for other medical conditions.

In her “Heart and Soul” study, which included more than 1,000 patients whose health was tracked for five years, she determined that 10 percent of patients with moderate to severe depressive symptoms had a heart attack, stroke or angina, compared to 6.7 percent of patients who were not depressed.

Whooley found that that depressed patients were in essence less likely to take care of themselves. They were especially unlikely to keep up with any sort of exercise regimen, a factor that was most associated with cardiac events. While people who are depressed may lack the motivation to exercise, a gradually growing number of research studies suggest that aerobic exercise can relieve depression.

Physiologically, Whooley found that depression was associated with elevated levels of the fight-or-flight hormone norepinephrine, more inflammation, and lower blood levels of omega-3 fatty acids. But when exercise was factored in, these changes did not account for the link between depression and heart disease — only exercise mattered.

Of the new survey findings, Whooley says, “The prevalence of mental illness reported is not striking to me.” But the inadequacy of treatment for conditions including depression and anxiety disorders is disturbing, she says, especially given what now is known about associated medical conditions.

In addition to the aforementioned chronic diseases, according to the CDC researchers, people with mental illness are on average from two to six times more likely die from suicide or homicide or to be involved in motor vehicle accidents and other injuries. They are much more likely to use tobacco and to abuse alcohol.
Depression, Anxiety Most Common, But Treatable

In the US study, researchers found that 6.8 percent of the population now suffers from major or moderate depression. According to the study authors, CDC surveys focus on depression, but lack sufficient data on anxiety disorders. However, anxiety disorders are also common and can result in high levels of psychological distress and impairment.

In an analysis of data from 30 European countries published in the September issue of European Neuropsychopharmacology researchers concluded that 14 percent of the population suffered from anxiety disorders and 6.9 percent suffered from major depression. In Europe the percentage afflicted with mental illness has not budged since 2005. Nor is the rate of treatment improving — less than one-third of cases are treated.

Whooley is on the lookout for patients in her general practice who may have depression or anxiety disorders, but whose reason for a doctor’s visit is a minor complaint. Mental health problems can magnify symptoms from all kinds of medical conditions, she says.

Compared to decades past, she says better treatments are available for both depression and anxiety disorders — which include post-traumatic stress disorder, generalized anxiety disorder, social phobias and other phobias. Depression and anxiety often co-exist. About half of patients diagnosed with depression also have anxiety.

Studies indicate that Prozac and other drugs of the SSRI class perform better on average than placebo in patients with moderate or severe depression. But many patients remain depressed despite treatment and often are prescribed a second type of drug in addition to an SSRI, or referred for psychological therapy, Whooley notes.

The value of SSRIs is less well established for anxiety disorders, Whooley says, but cognitive therapy, which has largely replaced psychoanalytic therapy in clinical practice, is often very effective, she adds.

The University of California, San Francisco, CA



L'armadietto omeopatico casalingo
(del Dott. Turetta)
Quali sono i problemi o le disfunzioni che possono giovarsi di un intervento omeopatico d'urgenza e, di conseguenza, come dovrebbe essere un ideale armadietto medicinale omeopatico casalingo.

A cura di: Dott.ssa S.Cavalli, Dott. L. Colombo, Dott. U. Zuccardi Merli


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