The fourth annual Markesbery Symposium on Aging and Dementia, presented by the University of Kentucky Sanders-Brown Center on Aging, will be from 8 a.m. to noon Saturday at the Lexington Convention Center. This free informational program on Alzheimer's disease will present research highlights and promote normal, healthy brain aging, and conclude with a question-and-answer session on memory and brain health issues. Registration is required by calling (859) 323-6040. Free parking will be available in the High Street parking lot. For more information, go to Centeronaging.uky.edu or email firstname.lastname@example.org.