Tare da samar da ruwa mai yawa da kuma kawar da ruwa, jikinmu yana tabbatar da wanzuwa na yanayi na ciki. Ruwan ruwa shine mahimmanci don ƙaddamar da dukkanin halayen lissafin jiki a jiki. Matsayin canjin ruwa ya dogara da yadda ya dace da kiwon lafiya. Duk haɗari da rashin ruwa na iya zama babban dalilin rushewa na ayyuka daban-daban, har zuwa ci gaba da cututtuka na kullum.
Ruwa yana daya daga cikin muhimman abubuwan da ke jikin jiki, yin aiki mai kyau na gina jiki, matsakaici don ƙwayar haɓakar sinadarai da kuma dan takarar kai tsaye a canje-canje daban-daban na sauran mahaukaci. Sakamakon yin musayar ruwa yana da mahimmanci ga irin wannan aikin na physiological kamar yadda narkewa, shawa a cikin ɓangaren hanji na samfurori, da kuma kawar da samfurori na karshe na metabolism.
Halin lafiyar mutum a lokacin kwanakin zafi yana kuma ƙaddara ta hanyar ƙarfin musayar ruwa. Saboda yaduwar shigo da shi daga farfajiya ko fata na mucous na fili na numfashi, wata hanyar da za a iya dogara da ita don rike da yawan zazzabi na jiki. Gaskiyar ita ce ruwa yana da zafi sosai, saboda haka lokacin da yake kwashe jikinmu ya rasa tasirin zafi. Wannan tsari na ilimin lissafi yana taimakawa wajen bunkasa lafiyar mutum a yanayin yanayin zazzabi na iska mai kewaye.
A cikin jikin tsofaffi mai lafiya, ruwa yana kusan 65-70% na nauyin jiki. Bugu da ƙari, ɓangarorin jiki na jiki sun ƙunshi fiye da ruwa fiye da sauran nau'in takalma. Don lafiya mai kyau, mutum yana buƙatar cinye kimanin 35-40 grams na ruwa a kowace rana ta kowace kilogram na nauyin jiki a kowace rana, wato, kimanin 2 zuwa 2.5 lita a kowace rana. Duk da haka, wannan ba yana nufin cewa wannan adadi ya kamata a ba shi kawai a cikin ruwan sha - wannan ya hada da ruwa a cikin miya, abin sha, da kuma danshi da ke cikin kowane abinci. Ana yin gyaran ruwa a cikin jiki ta hanyar samar da danshi a yayin da ake janye wasu abubuwa (misali, fat) a cikin tantanin halitta.
Halin lafiyar mutum ya dogara sosai kan tasirin canje-canje a musayar ruwa a jikin. Idan za mu iya sarrafa ba tare da abinci ba har tsawon makonni, to, ba tare da ruwa jikinmu zai tsira ba kawai 'yan kwanaki. Lokacin da asarar ruwa a adadin 2% na nauyin jiki, mutum yana tasowa. Amma tare da ƙananan ƙetare na musayar ruwa, yanayin lafiyar mutumin ya ɓace sosai. Sabili da haka, tare da asarar ruwa a cikin adadin 6 - 8% na nauyin jiki, yanayin tsararraki yana faruwa, tare da kashi 10% na hallucination, kuma idan asarar ta wuce 12%, sakamakon ƙarshe zai iya faruwa.
Rashin rashin ruwa a cikin jiki a jihar kiwon lafiyar shi ne saboda jinkirta da abubuwa masu sutura, wanda hakan zai haifar da canji a cikin jini na jini.
Ruwan ruwa mai yawa yana damuwa da jin daɗin mutumin, tun a cikin wannan yanayin, aiki na zuciya ya zama mafi wuya, karuwar ƙwayoyi a cikin ƙwayar cututtukan ƙwayar ƙwayar cuta, ƙarar karuwa ya karu sosai.
Saboda haka, tare da kiyaye salon rayuwa mai kyau da kuma ka'idodin abinci mai mahimmanci, tsari na musayar ruwa ba shine mafi mahimmanci a rinjayar lafiyar jikin mutum ba.