<prompt> Factors impoant in the formation of gall stones include all of the following exceptCholesterol saturation in bileGall bladder motilityThe size of micellesObesity  <response>: risk factors of gall stone A advancing age Bfemale sex hormone C obesity Dacquierd disorders such as gallblader stasis Ehereditory factor Fmetabolic abnormality such as DM, hyperlipidemia and PBC GENERAL AND SYSTEMIC PATHOLOGY RAMDAS NAYAK PGNO.475 