Interaction between sleep apnea and Apoe2 allele and/or APoE3 allele on the risk of dementia Lead Investigator: Xiuhua Ding Institution : Western Kentucky University E-Mail : xiuhua.ding@wku.edu Proposal ID : 1007 Proposal Description: The goal of this project is to look at interaction effect between sleep apnea. Specifically, we want to know whether there is an interaction effect between sleep apnea and APOE 2 allele or APOE3 allele on risk of dementia. We also want to investigate whether people with APOE4 allele are more likely to have sleep apnea.