Nutrition Linked To Brain Health And Intelligence In Older People

Posted: Dec 19 2016, 6:38am CST | by , in News | Latest Science News

 

Nutrition Linked to Brain Health and Intelligence in Older People
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Research on older adults showed a connection between brain health and consumption of leafy green vegetables.

Lutein (LOO-teen) a pigment is found in leafy green vegetables which most adults use in their diet. The pigment is also present in egg yolks, and broccoli, stated Marta Zamroziewicz, a student atUniversity of Illinois. Marta led the research study along with Professor Aron Barbey. Lutein stays in brain’s cell membranes and plays a neuroprotective role.

Previous studies also show lutein’s relationship with brain for longer period of time, said Marta.  Study showed that Lutein stays in the grey part of brain that controls brains health.

The research was based on 122 healthy people between the ages 65 to 75. The group solved the questions as part of intelligence test. The researchers also took blood test of the participants to see blood serum levels of  lutein. The team also got MRI images of the participants to see brain structures. 

The team studied more on temporal cortex, abrain’s part that controls and preserves intelligence. The team found that the participants who took lutein were good in tests than those who did not take lutein based diet. The study is based on adults that took lutein based diet for long, said Zamroziewicz .

Adults with higher lutein serum levels had thicker grey substance in the cortex, a regain in brain that causes intelligence due to healthy brain. Marta said that the discovery doesn’t explain causalities, and we only found that lutein has a certain relation with crystallized intelligence through cortex.

The research team works on the basis of hypothesis that shows effects of lutein based diet on brain structure. Lutein is either anti-inflammatory, or it helps in signaling from cell to cell, said Barbey. The research reveals that diet with particular nutrients reduces certain brain issues among older adults, including early brain aging.

This study is published in the journal Frontiers in Aging Neuroscience.

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