The study was funded by the National Institute on Aging and was led by Dr. Joseph F.

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Since 1995, Dr. Ryff and her Wisconsin team have been studying some 7, 000 individuals and examining factors that influence health and well-being from middle age through old age in a study called MIDUS, or the Mid-Life in the U.S. National Study of Americans, funded by the National Institute on Aging.

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Ginkgo supplements were no better than a placebo for preventing dementia, according to the study, which was sponsored by the National Center for Complementary and Alternative Medicine and the National Institute on Aging of the National Institutes of Health.

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But that's far from universal, said Dr. Thomas Perls, an expert on aging at Boston University and director of the New England Centenarians Study.

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Researchers in the department currently have one on-going study funded by Nu Skin related to the identification of master regulators and epigenetic changes to human skin aging.

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Since the housing and financial markets began to collapse, about 39% of all Americans have been foreclosed upon, unemployed, underwater on a mortgage or behind more than two months on a mortgage, says Michael Hurd, director of the Rand Corporation's Center for the Study of Aging.

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