Mu by’ukuri icunga rituma umubiri ugira ubudahangarwa, rituma amaraso atembera neza mu mubiri atibumba, kandi ku bagira ikibazo cyo kwituma impatwe (constipation), wakwifashisha icunga rikabyoroshya.
Ituma amaraso atembera neza mu mubiri, igabanya ibinure mu mubiri kandi ifasha mu guta ibiro ku bashaka kurwanya umubyibuho ukabije.