As shown in Figure 2 and Table S4, the blood level of IL18 was significantly associated with four disorders: TS (β = 0.19, p = 3.69 × 10−7), OCD (β = −0.19, p = 6.07 × 10−5), ANX (β = −0.15, p = 0.0002) and PD (β = 0.10, p = 0.0005). This evidence concerns the gene IL18 and Parkinson disease.