Kuwonjezeka kwakukulu kwa kufunikira kwa vitamini B12 kumachitika chifukwa cha kuchuluka kwa anthu omwe amatsatira zakudya zamasamba kapena zamasamba. Popeza zomera sizimapanga vitamini B12 mwachibadwa, ndiwo zamasamba ndi zamasamba nthawi zambiri zimakhala zoperewera mu vitamini B12, zomwe zingayambitse kuchepa kwa magazi m'thupi, kutopa, ndi ...
Werengani zambiri