They also demonstrated colocalization with CBWD2, which has been linked to sleep duration (Foo et al., 2021b), and IGKV1OR2-108, which has been found to be elevated in the livers of type 2 diabetes patients (Li, Pan, & Yang, 2019) and can lead to abnormal functional connectivity (Chen et al., 2014). The gene discussed is IGKV1OR-2; the disease is type 2 diabetes mellitus.