CPT1A and attention deficit-hyperactivity disorder: Among 12 additional blood lipid-associated CpGs identified in the meta-EWAS, five CpGs were reported to be associated with other traits (e.g., sex, age, Schizophrenia, and ADHD (attention-deficit and hyperactivity disorder)) but only cg01082498 (in the 5’UTR region of the CPT1A gene) was associated with blood lipid level in the EWAS Catalog (Additional file 1: Table S9).