13 May 2015 Blackmores Institute Mediterranean diet plus olive oil or nuts aids cognition 13 May 2015 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Supplementing the plant-based Mediterranean diet with antioxidant-rich extra virgin olive oil or mixed nuts can improve cognitive function in older adults, according to an article published online by JAMA Internal Medicine. The Spanish study authors note that emerging evidence suggests associations between dietary habits and cognitive performance. × To continue reading this article, please Log In or Sign Up for access.