Research shows an inverse relationship between cancer and Alzheimer's disease, suggesting cancer survivors have a lower risk of developing dementia. Fast Answer: Research indicates that cancer survivors may have a lower risk of developing Alzheimer’s disease. How Cancer Survivorship Impacts Alzheimer’s Disease Risk in Older AdultsCould surviving cancer actually protect you from Alzheimer’s? Key Findings on Cancer and Alzheimer’s Disease ConnectionsRecent research has established a compelling connection between cancer survivorship and a lower incidence of Alzheimer’s disease. Understanding the Bidirectional Relationship Between Cancer and Alzheimer’s DiseaseWhy do cancer survivors seem to have a lower risk of Alzheimer’s?