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Carotenoids Linked to Improved Cognition Function in Older Adults

By jeremyc | November 26, 2016

Carotenoids are plant pigments that give color to several plant parts, including many fruits and vegetables. Carotenoids not only play a vital role in plant life but are also beneficial to us. The antioxidant effects of carotenoids improve visual health. However, latest research shows carotenoids might be beneficial for cognition too.

Many fruits and vegetables are rich in carotenoids. Examples include oranges, pumpkins, carrots, tomatoes, peppers, and potatoes. Some dark green colored vegetables, like peas, kale, and spinach, contain carotenoids. These vegetables are a good source of zeaxanthin and lutein.

More than one study has shown that these two carotenoids are beneficial to visual health. They are also effective in slowing the progression of certain age-related eye conditions.

Some studies have also hinted at zeaxanthin and lutein improving cognitive function in elderly. Scientists, however, do not know yet why increased levels of zeaxanthin and lutein are linked to greater verbal fluency and better memory.

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