Ghrelin, leptin and adiponectin as possible predictors of the hedonic value of odors

►Pleasantness of odors may depend on gender and body weight. ►Pleasantness of specific odors may be associated with leptin, adiponectin and ghrelin. ►Peripheral leptin may be linked with the ability of odor identification. ►A close relationship between adipokines, gut hormones and the olfactory system.