Although there appears to be no known genetic factor for these differences, the report examines the impact of health conditions like high blood pressure and diabetes, conditions that are prevalent in the African-American and Hispanic communities and how these conditions also increase Alzheimer risk.

Another interesting aspect explored is the fact that although African-Americans and Hispanics have a higher rate of Alzheimer's than whites to have Alzheimer's and dementia, they are less likely than whites to have a diagnosis. The report examines the implications of this later diagnosis on families and healthcare costs. View full report.