APOE and Alzheimer disease: Genetic associations of APOE with AD risk in different underrepresented groups (URGs) remains unclear with some studies raising the possibility that APOE4 has a smaller impact on the risk for AD in non‐Hispanic African American/Black (NHB) and Hispanic/Latino than in non‐Hispanic White (NHW) persons.14, 15, 16, 17, 18, 19, 20