Washington, April 26 (ANI): A high intake of flavonoid rich berries, such as strawberries and blueberries, can delay memory decline in older women by 2.5 years.his is the conclusion of a new study by researchers at Brigham and Women's Hospital (BWH).
"What makes our study unique is the amount of data we analyzed over such a long period of time. No other berry study has been conducted on such a large scale," explained Elizabeth Devore, a researcher in the Channing Laboratory at BWH, who is the lead author on this study.
"Among women who consumed 2 or more servings of strawberries and blueberries each week we saw a modest reduction in memory decline. This effect appears to be attainable with relatively simple dietary modifications," she said.
The research team used data from the Nurses' Health Study-a cohort of 121,700 female, registered nurses between the ages of 30 and 55-who completed health and lifestyle questionnaires beginning in 1976.
Since 1980, participants were surveyed every four years regarding their frequency of food consumption. Between 1995 and 2001, memory was measured in 16,010 subjects over the age of 70 years, at 2-year intervals. Women included in the present study had a mean age of 74 and mean body mass index of 26.
Findings show that increased consumption of blueberries and strawberries was associated with a slower rate of memory decline in older women.
A greater intake of anthocyanidins and total flavonoids was also associated with reduced memory decline. Researchers observed that women who had higher berry intake had delayed memory decline by up to 2.5 years.
"We provide the first epidemiologic evidence that berries appear to slow progression of memory decline in elderly women," noted Dr. Devore.
"Our findings have significant public health implications as increasing berry intake is a fairly simple dietary modification to reduce memory decline in older adults," she added.
This study has been published by Annals of Neurology, a journal of the American Neurological Association and Child Neurology Society, on April 26, 2012. (ANI)
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