Study suggests DASH diet may improve mental well-being in addition to lowering blood pressure

By Bhavana KunkalikarMay 3 2023Reviewed by Benedette Cuffari, M.Sc. The Dietary Approaches to Stop Hypertension diet has been shown to significantly lower blood pressure levels among hypertensive patients. However, despite available evidence supporting the beneficial effects of the DASH diet for physical health, only a few studies have examined the psychological effects of this diet.

About the study Between May 2021 and July 2021, researchers performed a thorough search for articles from PubMed, Web of Science, and PsycINFO databases. These databases were systematically searched up to May 2021. Results The final sample consisted of 16 studies, 10 observational studies and six randomized controlled trials . Of the 10 observational studies, five were cross-sectional, four were longitudinal, and one was both cross-sectional and longitudinal. The sample size in the studies ranged from 36 to 19,270.

Related StoriesWhen DASH diet compliance was divided into two groups of low and high adherence, only Fung's DASH index exhibited an inverse correlation with incident depression for less conservative and more conservative definitions. Studies that assessed the relationship between quality of life and the DASH diet revealed conflicting findings. Two RCTs noted that the DASH diet improved scores for the Subjective Symptoms Assessment Profile.

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