FGF21 and Cognitive impairment: There were no group differences in FGF-21, phosphatidylethanol, or bone markers (Table 2); life quality measurements, i.e., 36-Item Short Form Health Survey (SF-36) (Supplemental Table 3) and Symptom Checklist-92 (SCL-92) (Supplemental Table 4); or cognition i.e., Screen for Cognitive Impairment in Psychiatry test (SCIP) (Supplemental Table 5).