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Scientists Discover Benefits of Vacation and Meditation at the Molecular Level

| Aug 31, 2016 06:56 AM EDT

Meditation.

Your molecular networks agree having a vacation or doing deep meditation is good for them, said a new study that used a rigorous design to assess the biological impact of meditation compared to vacation.

Scientists from the Icahn School of Medicine at Mount Sinai, the University of California, San Francisco, and Harvard Medical School examined the effect of meditation on gene expression patterns in both novice and people that regularly meditate.

They found a resort vacation provides a strong and immediate impact on molecular networks associated with stress and immune pathways. This kind of a vacation also resulted in short- term improvements in well-being, as measured by feelings of vitality and distress.

On the other hand, a meditation retreat was associated with molecular networks characterized by antiviral activity for those that meditate regularly. The molecular signature of long-term meditators was distinct from the non-meditating vacationers.

The research team examined the changes in 20,000 genes to determine which types of genes were changing before and after the resort experience. Scientists performed an integrative "transcriptomic analysis," comparing gene expression networks across all three groups of participants and finding unique molecular profiles and pathway enrichment patterns.

Study results show that all groups -- novice meditators, experienced meditators, and vacationers -- had significant changes in molecular network patterns after the week at the resort, with a clear signature distinguishing baseline from post-vacation biology. The most notable changes in gene activity were related to stress response and immune function.

Transcriptomics is the study of the transcriptome or the complete set of RNA transcripts produced by the genome, under specific circumstances or in a specific cell. Comparison of transcriptomes allows the identification of genes that are differentially expressed in distinct cell populations, or in response to different treatments.

The study involved 94 healthy women, aged 30-60. Sixty-four women were recruited who were not regular meditators.

Participants stayed at the same resort in California for six days, and randomized so that half were simply on vacation while the other half joined a meditation training program run by the Chopra Center for Well Being. The meditation program included training in mantra meditation, yoga, and self reflection exercises. It was designed by Deepak Chopra, MD, who did not participate in data collection or analysis.

For greater insight into the long-term effects of what scientists dubbed the "meditation effect" compared to the "vacation effect," the team also studied a group of 30 experienced meditators who were already enrolled in the retreat that week.

Researchers collected blood samples, and surveys, from all participants immediately before and after their stay, as well as surveys one month and ten months later.

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