INS and schizophrenia: In our study, schizophrenia patients with long-term treatment of olanzapine were compared with the first episode drug-naïve schizophrenia patients or healthy controls of the same age and gender in terms of lifestyle risk factors known to effect osteoporosis (smoking, drinking, exercise, body weight, and BMI), indexes of glucose and lipid metabolism (TG, CHOL, HDL, LDL, FBG, and insulin), and BMD in a total of 13 representing bone regions.