Nutrition Linked to Intelligence and Brain Health in Older People

Summary: A new study links the consumption of lutein, a pigment found in leafy greens, to crystallized intelligence in older adults. Source: University of Illinois at Urbana-Champaign. A study of older adults links consumption of a pigment found in leafy greens to the preservation of “crystallized intelligence,” the ability to use the skills and knowledge one has acquired over a lifetime. The study is reported in the journal Frontiers in Aging Neuroscience. Lutein (LOO-teen) is one of several plant pigments that humans acquire through the diet, primarily by eating leafy green vegetables, cruciferous vegetables such as broccoli, or egg yolks, said University of Illinois graduate student Marta Zamroziewicz, who led the study with Illinois psychology professor Aron Barbey. Lutein accumulates in the brain, embedding in cell membranes, where it likely…


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