Ka taƙaita labarin:  Adadin pizza da ake fitarwa idan aka kwatanta da adadin 'yan wasan motsa jiki zai iya ba ka ra'ayi game da yawan kiba a wani birni. Amma masana kimiyya sun ce don ka fahimci matsalolin da ke tattare da nauyi a wani yanki kana bukatar ka shiga cikin ƙasa zuwa cikin zurfin rami mai datti na magudanan ruwa. A nan, sun yi iƙirarin, za a iya nazarin datti mai datti don bayyana'microbiome' na birni, yana ba da haske game da yanayin cututtuka a kan sikelin da ya fi girma. Mutane suna dauke da kwayoyin cuta masu yawa a cikin tsarin gastrointestinal da kwayoyin gut. Bambance-bambancen salon rayuwa na iya canza microbiome na hanji na mutum, da kuma haɗin ƙungiyar ƙwayoyin cuta na mutum mai kiba. Yanzu masana kimiyya sun ce za a iya nazarin wannan al'umma daga tsarin ruwan najasa na al'umma. Nazarin ƙwayoyin halittar mutum, wato, tarin ƙwayoyin halittar da suke cikin jikin mutum da kuma jikin mutum, ya zama ruwan dare a shekaru goma da suka shige. Masana kimiyya suna fatan gano 'lafiyayyen ƙwayoyin cuta' ta hanyar gano nau'in ƙwayoyin cuta guda ɗaya ko fiye waɗanda za a iya danganta su da mutane masu lafiya. A cikin wani binciken da Jami'ar Wisconsin-Milwaukee ta yi kwanan nan, an tattara samfuran najasa daga birane 71 a duk faɗin Amurka. A cewar masu binciken, nazarin ƙwayoyin cuta na wannan ruwan najasa ya taimaka musu su yi hasashen yawan masu kiba a kowane birni da kashi 81 zuwa 89 bisa ɗari. Birnin da ya fi ƙanƙanta shi ne Steamboat Springs, Colorado, da yawan masu kiba da kashi 13.5, yayin da mafi girma shi ne St. Joseph, Missouri, da kashi 37.4. Duk da yake masana kimiyya sun san wannan na ɗan lokaci, wannan shine binciken farko da ya bayyana cewa daidai yake daidai lokacin da waɗannan ƙwayoyin cuta suka haɗu tare a cikin cibiyar ruwan najasa. Ta amfani da ikon kwamfuta, ƙungiyar ta sami damar saurin jerin ƙwayoyin cuta da sauri da kuma neman alamu a cikin sakamakon. Wannan saboda mutane suna da kwayoyin cuta masu yawa a cikin tsarin gastrointestinal da ƙwayoyin cuta na hanji. Bambance-bambancen salon rayuwa na iya canza microbiome na hanji na mutum, da kuma haɗin ƙungiyar ƙwayoyin cuta na mutum mai kiba. Yayin da masana kimiyya suka san wannan na wani lokaci, wannan shi ne binciken farko da ya bayyana...
Masu bincike sun tattara ruwan najasa daga garuruwa 71 a fadin Amurka. Sun bincika'microbiome' na kowane samfurin - babban alamar lafiya. Babban birni shine St. Joseph, Missouri, tare da yawan kiba na 37.4%. Masana kimiyya sun ce hanyar tana ba da bayanai ba tare da yin sulhu da sirri ba.