An article published online on April 26, 2012 in the Annals of Neurology reports a protective effect for diets containing high amounts of blueberries and strawberries against cognitive decline in older women. Berries are high in compounds known as flavonoids, which may help reduce the negative impact of inflammation and stress on cognitive function.
Consuming a relatively high amount of blueberries or strawberries was associated with a slower decline in cognitive function test scores over the follow-up period compared to women whose intake was lower, resulting in a delay in cognitive aging of up to 2.5 years. Greater intake of the anthocyanidin class of flavonoids and total flavonoids was also associated with a reduced rate of decline.
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