A study led by researchers from the Human Nutrition Unit at the Universitat Rovira i Virgili (URV), the Pere Virgili Health Research Institute (IISPV) and CIBERobn points to a meaningful link between extra virgin olive oil, gut bacteria, and brain health.
Study explores olive oil, gut microbiome, and brain health
"This is the first prospective study in humans to specifically analyze the role of olive oil in the interaction between gut microbiota and cognitive function," explains Jiaqi Ni, first author of the article and researcher at the URV's Department of Biochemistry and Biotechnology.
The research followed 656 adults between the ages of 55 and 75 who were overweight or obese and had metabolic syndrome -- a set of risk factors that increase the likelihood of developing cardiovascular disease. Over a two-year period, as part of the PREDIMED-Plus project, scientists tracked participants' diets, including their intake of virgin and refined olive oil, along with detailed analyses of their gut microbiota. They also monitored changes in cognitive performance over time.
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