Genes and genetics If a Family Member Has Alzheimer's Disease, Will I Have It, Too? Read, download, and share this infographic about what it means to have a family history of Alzheimer's disease. Assessing Risk for Alzheimer's Disease What are risk factors for Alzheimer’s disease? Learn about genetic and other risks for early- and late-onset Alzheimer's and steps you can take to stay healthy. What Causes Alzheimer's Disease? How does Alzheimer's disease affect the brain? Read how genetics, environment, and lifestyle play a role in developing early- or late-onset Alzheimer’s. Alzheimer's Disease Genetics Fact Sheet Read about the genetics of Alzheimer's disease. A genetic mutation can cause early-onset Alzheimer's. In late-onset Alzheimer's, a variant of the APOE gene increases risk.