TOMM40 rs2075650 is in linkage disequilibrium (LD) with the APOE e4 rs429358 SNP (Harold et al, 2009; Potkin et al, 2009). However, evidence of an extended TOMM40-APOE haplo- type that influences the regional effects and onset age of AD (Bekris et al, 2010; Roses, 2010) suggests...