A new study finds a high intake of Lutein may slow down cognitive decline.
60 healthy adults between the ages of 25 and 45 participated in this study. Carotenoid levels were assessed by measuring MPOD (Macular Pigment Optical Density), which is considered a trusted indicator of Lutein levels in the brain. Event related brain activity was used as a gauge of cognitive function and was recorded as the participants performed cognitive control testing. Study results showed MPOD was related to both specific electrical brain activity and age during the decision making process, known as the P3 wave. Younger adults showed a larger abundance of P3 than the older participants however, the older participants with higher MPOD levels displayed P3 measures equal to the younger participants. Researchers concluded that Lutein appears to have a protective role in the brain since the study data indicated that participants with more Lutein were able to utilize more cognitive resources to finish their tasks.
Besides being beneficial to brain health, Lutein and Zeaxanthin have been shown to provide support for vision and vision diseases since Lutein appears to accumulate in both the brain and in the eyes. The ability of Lutein in brain processing, memory, speed and processing is intriguing since Lutein cannot be manufactured on its own in the body.
Further study is warranted.
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