Evidence regarding the association between the APOE ε4 allele and AD among nonwhite populations has been mixed, but the majority of studies report weaker associations among ethnic minorities than among non-Hispanic whites (NHW) (Hendrie et al. 1995; Tang et al. 1996, 1998; Maestre et al. 2004; Osuntokun et al. 2004; Bekris et al. 2010; Barnes et al. 2013). The gene discussed is APOE; the disease is Alzheimer disease.