Evidence suggests plant-based diets reduce blood pressure SN_LibraryLink DiBio_UniPD plantbased plantbaseddiet PBD PB diet bloodpressure BP hearthealth nutrition
By Pooja Toshniwal PahariaMay 17 2023Reviewed by Lily Ramsey, LLM In a recent study published in the Current Hypertensive Reports Journal, researchers performed a systematic review to evaluate the impact of consuming plant-origin foods on an individual’s blood pressure .
Large-scale studies such as the EPIC-Oxford trial and the Adventist Health Study-2 with nearly 10,000 participants reported lower BP readings among plant-based food consumers than meat-eaters. Databases such as PubMed, Scopus, and Web of Science were searched for randomized controlled trials on the effects of plant-sourced diets on blood pressure. Only studies published from 2020 onward in English were included in the analysis.
Related StoriesIn addition, baseline cross-sectional studies; studies where the diet was not the only study exposure; animal studies; non-RCT studies; studies with diets that were not precisely plant-sourced; studies where plant-sourced diets were not the primary study exposures; studies where results were not discriminated among groups; and studies where the diet was not the primary exposure were excluded from the analysis.
Likewise, a recently published meta-analysis including 187.0 individuals from five RCTs documented a lowering of systolic BP and diastolic BP by 5.47 mmHg and 2.3 mmHg, respectively, among individuals consuming lacto-ovo-type vegetarian diets, with high and moderate quality of evidence for the changes in SBP and DBP values, respectively.
Further, a meta-analysis, including 420 participants from three RCTs, showed that Nordic diets lowered SBP and DBP values by 4.5 and 2.3 mmHg, respectively, compared to the comparator diets.
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