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(From Life Extension.com/magazine) In a 2005 article published in the journal Neurobiology of Aging, Rachel Galli and her colleagues, also based at Tufts, reported discovering a specific mechanism by which blueberries help reverse the neurological aging process.16 The Galli study—which included Drs. Joseph and Shukitt-Hale as co-investigators—sought to measure the heat-shock protein response in the brains of both young and aged rats supplemented with blueberry extract compared to a control group of aged rats. A protective mechanism produced in the brains of most animals (and humans), heat-shock proteins fight free radicals and inflammation-inducing agents, acting similarly to antioxidants to support healthy brain tissues. As people age, however, their ability to generate heat-shock proteins in sufficient quantity declines,17 sometimes dramatically. The Tufts researchers sought to determine whether blueberries could help restore the heat-shock protein response in rats.16

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