Blueberries the brain and synergy

blueberries

Source: Wikipedia

Blueberries may be one of the best foods for keeping your brain healthy. According to research at Tufts university, Blueberry supplementation enhances signaling and prevents behavioral deficits in an Alzheimer disease model. This sounds very promising, although this study used rats instead of humans.

A study using humans at the University of Cincinnati Academic Health Center showed “The findings of this preliminary study suggest that moderate-term blueberry supplementation can confer neurocognitive benefit and establish a basis for more comprehensive human trials to study preventive potential and neuronal mechanisms.” Basically, blueberry consumption improved memory, and according to the same study “there were trends suggesting reduced depressive symptoms”.

This is quite impressive for something that often grows in bogs in the northern U.S. Blueberries tend to get a lot of attention due to their antioxidant power – if antioxidants were like muscle power, blueberries would consistently knock out all the other fruits and vegetables and be the antioxidant heavy weight champion(the only fruits that scored higher were dried so their antioxidant power became more concentrated). This antioxidant power comes from its very high amount of anthocyanins, the reddish, purplish, blueish pigments that gives it its distinctive color. However, the antioxidant effects of anthocyanins only partially explains their neuro-protective effects and other health benefits. There is so much else going on, with anthocyanins also having possible anti-carcinogenic effects. Cranberries, which are in the same genus as blueberries, have similar benefits. The bilberry is the European cousin of the North American blueberry – in Spanish however they are both called “arándano”.

bluebrain

Public domain image from BrainSource.com

All these studies cited(even from previous posts) only focus on one particular substance or therapy. Imagine combining them. Imagine the synergistic effects on the brain of blueberry consumption combined with exercise and juggling on patients with cognitive problems – can it also enhance brain function in people who are young and healthy? Obviously, more research needs to be done, but what we do know suggests strongly we should be eating more fruits and vegetables, especially the dark, richly colored ones.

There is so much you can do to keep your brain young, this is just the tip of the iceberg.

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2 responses to “Blueberries the brain and synergy

  1. This is a very interesting post! I personally think that because blue berries have anti-oxidant they are one of the best dietary supplements for Alzheimer cure. But then when I tried to get enough evidences from PubMed and Cinahl, I saw that lots of research were done on animals and rat brains.!

  2. Hopefully scientists will do more blueberry research using humans. But in the mean time I will continue to eat blueberries and drink blueberry juice since even the preliminary evidence is encouraging.

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