IGHE and Alzheimer disease: In addition, specific IgE to M. sympodialis was assessed with the ImmunoCapTM assay where 47% of the 179 AD patients, 62% with severe and 41% with moderate eczema (p<0.01) (Table 2 and S1A–S1C Fig), whereas none of the SE patients (Table 2) or healthy controls was positive in this assay (S2 Table).