walnuts & blueberries good for the (rat’s) brain

http://www.sciencedaily.com/releases/2007/11/071106122843.htm

Diets containing two percent, six percent, or nine percent walnuts, when given to old rats, were found to reverse several parameters of brain aging, as well as age-related motor and cognitive deficits, says James Joseph, PhD, of the U.S. Department of Agriculture Human Nutrition Research Center at Tufts University in Boston.

In previous research, Joseph and his colleagues showed that old rats maintained for two months on diets containing two percent high antioxidant strawberry or blueberry extracts exhibited reversals of age-related deficits in the way that neurons function and in motor and cognitive behavior. In the brain, antioxidant molecules wage war against molecules known as free radicals, which can harm brain cells and brain function. The present research extends these findings and shows that walnuts can have a similar effect.

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