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New study finds new connection between yoga and mood

Date:
August 23, 2010
Source:
Boston University Medical Center
Summary:
Researchers have found that yoga may be superior to other forms of exercise in its positive effect on mood and anxiety. The findings are the first to demonstrate an association between yoga postures, increased GABA levels and decreased anxiety.
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Woman practicing yoga. Researchers from Boston University School of Medicine (BUSM) have found that yoga may be superior to other forms of exercise in its positive effect on mood and anxiety.
Credit: iStockphoto

Researchers from Boston University School of Medicine (BUSM) have found that yoga may be superior to other forms of exercise in its positive effect on mood and anxiety. The findings, which currently appear on-line at Journal of Alternative and Complementary Medicine, is the first to demonstrate an association between yoga postures, increased GABA levels and decreased anxiety.

The researchers set out to contrast the brain gamma-aminobutyric (GABA) levels of yoga subjects with those of participants who spent time walking. Low GABA levels are associated with depression and other widespread anxiety disorders.

The researchers followed two randomized groups of healthy individuals over a 12-week long period. One group practiced yoga three times a week for one hour, while the remaining subjects walked for the same period of time. Using magnetic resonance spectroscopic (MRS) imaging, the participants' brains were scanned before the study began. At week 12, the researchers compared the GABA levels of both groups before and after their final 60-minute session.

Each subject was also asked to assess his or her psychological state at several points throughout the study, and those who practiced yoga reported a more significant decrease in anxiety and greater improvements in mood than those who walked. "Over time, positive changes in these reports were associated with climbing GABA levels," said lead author Chris Streeter, MD, an associate professor of psychiatry and neurology at BUSM.

According to Streeter, this promising research warrants further study of the relationship between yoga and mood, and suggests that the practice of yoga be considered as a potential therapy for certain mental disorders.

Funding for this study was provided by the National Institutes of Health.


Story Source:

The above post is reprinted from materials provided by Boston University Medical Center. Note: Materials may be edited for content and length.


Journal Reference:

  1. Streeter et al. Effects of Yoga Versus Walking on Mood, Anxiety, and Brain GABA Levels: A Randomized Controlled MRS Study. The Journal of Alternative and Complementary Medicine, 2010; 100819060353058 DOI: 10.1089/acm.2010.0007

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Boston University Medical Center. "New study finds new connection between yoga and mood." ScienceDaily. ScienceDaily, 23 August 2010. <www.sciencedaily.com/releases/2010/08/100819112124.htm>.
Boston University Medical Center. (2010, August 23). New study finds new connection between yoga and mood. ScienceDaily. Retrieved September 1, 2015 from www.sciencedaily.com/releases/2010/08/100819112124.htm
Boston University Medical Center. "New study finds new connection between yoga and mood." ScienceDaily. www.sciencedaily.com/releases/2010/08/100819112124.htm (accessed September 1, 2015).

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