positive role of niacin on serum lipid profile of rats treated with glucocorticoids (gcs) has been reported. this study aims to evaluate effect of niacin on bone changes in gc-induced dyslipidemic rats. a number of 28 growing rats divided into four groups and treated as control, methyl prednisolone (mp) group (3.5 mg/kg five days a week, sc); mpn group (mp + niacin 200 mg/kg/day orally) and mpa...