asian woman covering nose with hand,bad breath from old senior while talking,unpleasant-smelling breath,halitosis,smelly mouth,

strong belch burp gastritis stomach disease odor toxic bad smell disgust expression asian woman hand breath old senior talking halitosis smelly mouth xerostomia dry elderly hygiene health care concept covering nose gums problems teeth decay unpleasant smelling foul oral dental speak pinch finger closing checking bacteria lifestyle stinky unpleasant-smelling condition xerostomiadry mouthin