health-news

2 cups of cocoa a day gives elders' brains a boost

Washington, Aug 08 : Here is a new excuse for older chocoholics to treat their cravings, as researchers have found that drinking two cups of hot chocolate a day may help them keep their brains healthy and sharp.


The study conducted by Harvard Medical School in Boston involved 60 people with an average age of 73 who did not have dementia. The participants drank two cups of hot cocoa per day for 30 days and did not consume any other chocolate during the study.

They were given tests of memory and thinking skills. They also had ultrasounds tests to measure the amount of blood flow to the brain during the tests.

Of the 60 participants, 18 had impaired blood flow at the start of the study.

Those people had an 8.3-percent improvement in the blood flow to the working areas of the brain by the end of the study, while there was no improvement for those who started out with regular blood flow.

The people with impaired blood flow also improved their times on a test of working memory, with scores dropping from 167 seconds at the beginning of the study to 116 seconds at the end. There was no change in times for people with regular blood flow.

A total of 24 of the participants also had MRI scans of the brain to look for tiny areas of brain damage. The scans found that people with impaired blood flow were also more likely to have these areas of brain damage.

Half of the study participants received hot cocoa that was rich in the antioxidant flavanol, while the other half received flavanol-poor hot cocoa. There were no differences between the two groups in the results.

The study is published in online issue of Neurology.

--ANI (Posted on 09-08-2013)

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