Valerie Smith-Gamble, M.D. (IMAGE) Regenstrief Institute Caption Valerie Smith-Gamble, M.D. is a geriatric psychiatrist and a co-author of "The Association of Early Life Factors and Declining Incidence Rates of Dementia in an Elderly Population of African-Americans." Credit Portrait Innovations/Valerie Smith-Gamble Usage Restrictions Photo credit to Portrait Innovations/Valerie Smith-Gamble License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.