Therefore, we performed sensitivity analyses excluding the CYP2R1 and CYP24A1 SNPs (rs10741657 and rs6013897, respectively) from our MR instruments in our asthma analysis and excluding the CYP2R1 SNP (rs10741657) in our atopic dermatitis and IgE analysis. Here, CYP2R1 is linked to atopic eczema.