Eating just half a cup of blueberries a day in your late 50s could help stave off dementia, a new study finds.
Researchers at the University of Cincinnati tracked 13 obese adults with mild memory decline who ate the berries for three months, and found a significant improvement in their memory compared to others who had no fruits.
The team suggested berries may have a protective effect because they contain anthocyanins, a type of flavonoid which can reduce inflammation.
But they admitted it was difficult to determine whether the blueberries had triggered the improvement because the study was observational — meaning it could not tell if the result was due to other factors — and had a small sample size.
In the study — published in the journal Nutrients — scientists recruited 33 adults in their late 50s from around the Cincinnati area who had gained weight in their middle age.
Participants in both groups weighed about 205 lbs on average, and had a waist circumference of about 107 centimeters.
Their BMI scores were 33, classing them as obese.
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SOURCE: Daily Mail, Luke Andrews