OBI1 and early-onset autosomal dominant Alzheimer disease: OBI1‐AS1 molecule has been reported to be associated with several neuropsychiatric phenotypes/traits including smoking status, alcohol drinking, total ventricular volume in Alzheimer's disease, sleep duration, and antipsychotic drug‐induced weight gain in schizophrenia in the GWAS Catalog database (www.ebi.ac.uk/gwas/).