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Complement Ther Med. 2008 Jun;16(3):124-30. doi: 10.1016/j.ctim.2008.02.004. Epub 2008 Apr 8.

Change in quality of life and immune markers after a stay at a raw vegan institute: a pilot study.

Author information

  • 1Columbia University, Mailman School of Public Health, 722 West 168th Street, New York, NY 10032, USA. LBL10@columbia.edu <LBL10@columbia.edu>

Abstract

OBJECTIVE:

The purpose of this study was to explore changes in quality of life (QOL), anxiety, stress, and immune markers after a stay at a raw vegan institute.

DESIGN:

Prospective observational study.

SETTING:

English-speaking attendees at Hippocrates Health Institute (Florida, US), a raw vegan institute, were recruited on arrival and typically stayed 1-3 weeks.

MAIN OUTCOME MEASURES:

Participants completed questionnaires assessing overall QOL (SF-36), dietary QOL (QOL related to dietary change), perceived stress (Perceived Stress Scale), anxiety, and depression (Hospital Anxiety and Depression Scale) upon arrival and 12 weeks later. C-reactive protein (CRP), lymphocytes, T cells, CD4 cells, CD8 cells, B cells, and NK cells were measured at baseline and 12 weeks in participants living in North America.

RESULTS:

Of 107 attendees eligible for the questionnaire study and 82 for the blood marker substudy, 51 and 38 participants, respectively, provided complete follow-up data. Overall QOL improved 11.5% (p=0.001), driven mostly by the mental component. Anxiety decreased 18.6% (p=0.009) and perceived stress decreased 16.4% (p<0.001). Participants' ratings of the food's taste were unchanged, but their ratings of how well they were taking care of themselves improved. CRP, lymphocytes, T cells, and B cells did not change significantly, but CD4, CD8, and NK cells decreased slightly.

CONCLUSIONS:

A stay at a raw vegan institute was associated with improved mental and emotional QOL. Studies are needed to determine the feasibility of conducting a clinical trial of the raw vegan diet among healthy people, and subsequently among patients with specific diseases.

PMID:
18534324
[PubMed - indexed for MEDLINE]
PMCID:
PMC2486444
Free PMC Article

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