estigatorsClinical, biological, and neuropathological characterization of sporadic and inherited forms of Alzheimer's disease, Mild Cognitive Impairment, and non-Alzheimer's disease dementias within the National Institute on Aging-funded Alzheimer Disease Center, <a href="http://iadc.iupui.edu/A">http://iadc.iupui.edu/A</a> community-based study to determine the effect of different life-long levels of selenium on cognitive aging in ru