The psychological effect of suffering from an allergy or a food related illness is often overlooked but can add significantly to the suffering of the individual, especially if the only treatment on offer is medication which may further aggravate their allergic or sensitivity condition. So this low cost approach could be very appealing.

Researchers from University of California Riverside and Duke University propose a new and less expensive approach to treating depression. (July 28, 2011)

Practicing positive activities may serve as an effective, low-cost treatment for people suffering from depression, according to researchers at the University of California, Riverside and Duke University Medical Center.

In "Delivering Happiness: Translating Positive Psychology Intervention Research for Treating Major and Minor Depressive Disorders," a paper that appears in the August 2011 issue of the Journal of Alternative and Complementary Medicine, the team of UCR and Duke psychology, neuroscience and psychopharmacology researchers proposed a new approach for treating depression – Positive Activity Interventions (PAI).

PAIs are intentional activities such as performing acts of kindness, practicing optimism, and counting one's blessing gleaned from decades of research into how happy and unhappy people are different. This new approach has the potential to benefit depressed individuals who don't respond to pharmacotherapy or are not able or willing to obtain treatment, is less expensive to administer, is relatively less time-consuming and promises to yield rapid improvement of mood symptoms, holds little to no stigma, and carries no side effects.

More than 16 million U.S. adults — about 8 percent of the population — suffer from either major or chronic depression. About 70 percent of reported cases either do not receive the recommended level of treatment or do not get treated at all, according to the National Institute of Mental Health. Globally, the World Health Organization estimates that depression affects more than 100 million people.

Although antidepressants can be lifesaving for some individuals, initial drug therapy produces full benefits in only 30 percent to 40 percent of patients. Even after trying two to four different drugs, one-third of people will remain depressed.

The research team — Kristin Layous and Joseph Chancellor, graduate students at UC Riverside; Sonja Lyubomirsky, professor of psychology and director of the Positive Psychology Laboratory at UC Riverside; and Lihong Wang, M.D., and P. Murali Doraiswamy, M.B.B.S., FRCP, of Duke University — conducted a rigorous review of previous studies of PAIs, including randomized, controlled interventions with thousands of normal men and women as well as functional MRI scans in people with depressive symptoms.

"Over the last several decades, social psychology studies of flourishing individuals who are happy, optimistic and grateful have produced a lot of new information about the benefits of positive activity interventions on mood and well-being," Lyubomirsky said.

However, such findings have not yet entered mainstream psychiatric practice.
"Very few psychiatrists collaborate with social scientists and no one in my field ever reads the journals where most happiness studies have been published. It was eye-opening for me as a psychopharmacologist to read this literature," Doraiswamy said.

Lyubomirsky said that after she and Doraiswamy exchanged notes, "the obvious question that popped up was whether we can tap into the PAI research base to design interventions to galvanize clinically depressed people to move past the point of simply not feeling depressed to the point of flourishing."

Although the paper found that positive activity interventions are effective in teaching individuals ways to increase their positive thinking, positive affect and positive behaviors, only two studies specifically tested these activities in individuals with mild depression.
In one of these studies, lasting improvements were found for six months. Effective PAIs used in the study included writing letters of gratitude, counting one's blessings, practicing optimism, performing acts of kindness, meditating on positive feelings toward others, and using one's signature strengths, all of which can be easily implemented into a daily routine at low cost.

People often underestimate the long-term impact of practicing brief, positive activities, Lyubomirsky said. For example, if a person gets 15 minutes of positive emotions from counting her blessings, she may muster the energy to attend the art class she'd long considered attending, and, while in class, might meet a friend who becomes a companion and confidant for years to come. In this way, even momentary positive feelings can build long-term social, psychological, intellectual, and physical skills and reserves.

The researchers' review of brain imaging studies also led them to theorize that PAIs may act to boost the dampened reward/ pleasure circuit mechanisms and reverse apathy — a key benefit that does not usually arise from treatment with medication alone.

"The positive activities themselves aren't really new," said Layous, the paper's lead author. "After all, humans have been counting their blessings, dreaming optimistically, writing thank you notes, and doing acts of kindness for thousands of years. What's new is the scientific rigor that researchers have applied to measuring benefits and understanding why they work."

A major benefit of positive activities is that they are simple to practice and inexpensive to deliver.
"If we're serious about tackling a problem as large as depression, we should be as concerned about the scalability of our solutions as much as their potency," Chancellor said, "While PAIs appear to be a potentially promising therapy for mild forms of depression," Doraiswamy cautioned, "they have not yet been fully studied in people with moderate to severe forms of depression. We need further studies before they can be applied to help such patients."
Kim Jobst, a physician and editor-in-chief of the Journal of Alternative and Complimentary Medicine, said the review provides one location in which to reference all relevant PAI findings to date, and includes recommendations that should prove useful to researchers, clinicians and the public. The journal is devoted to publishing research about novel and unconventional treatment approaches.

The research was supported by the authors themselves. Lyubomirsky's research has been funded by a Templeton Positive Psychology Prize and the National Institute of Mental Health. Doraiswamy has received research grants from NIMH and served as an advisor/investigator to several pharmaceutical companies.

Contact: Bettye Miller; Tel: (951) 827-7847;
E-mail: bettye.miller@ucr.edu

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