Examples include aberrant DNA methylation of RELN, MB-COMT, HTR2A, ST6GALNAC1, AKT1, DNMT1, DTNBP1, NOS1, PPP3CC and 5-HTT in brain (31-36) and COMTD1, HTR1E, CD224, CD7, LAX1, MPG, MPO, PRF1, TXK, FAM63B and RELN in the blood (37-39) of patients with SCZ and/or BD, and AFF2, GABRB3, JMJD1C, KCNJ10 , NLGN2, SNRPN, SNURF, PIK3C3 and UBE3A in the blood of autistic patients (40). The gene discussed is RELN; the disease is Behcet disease.