“The study, which included 60 adults aged 25 to 45, found that middle-aged participants with higher levels of lutein — a nutrient found in green leafy vegetables such as spinach and kale, as well as avocados and eggs — had neural responses that were more on par with younger individuals than with their peers.”
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Anne M. Walk, Caitlyn G. Edwards, Nicholas W. Baumgartner, Morgan R. Chojnacki, Alicia R. Covello, Ginger E. Reeser, Billy R. Hammond, Lisa M. Renzi-Hammond, Naiman A. Khan. The Role of Retinal Carotenoids and Age on Neuroelectric Indices of Attentional Control among Early to Middle-Aged Adults. Frontiers in Aging Neuroscience, 2017; 9 DOI: 10.3389/fnagi.2017.00183