Lafiya ·

Nama da Tsirrai: Waɗanne Suka Fi Haɗarin Ciwon Sarar?

Sabuwar nazariya kan yadda kwayoyin hanji ke kare jiki, illar gasar suya da kilishi, da dalilin da ya sa tsirrai suka fi ba da kariya daga ciwon sarar.

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Wani katafaren sito a kasuwar Najeriya da ke sayar da hatsi da kayan lambu
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Shin cin nama na ƙara haɗarin kamuwa da cutar sankararwa fiye da cin tsirrai irin su gero, wake, da gyada da mutanenmu ke ci? Wannan tambaya ce mai muhimmanci ga lafiyar al'ummar Hausawa da ke zaune a yankunan da yanayin busasshiyar ƙasa ke addaba. Bincike ya nuna cewa akwai alaƙa tsakanin abinci da kuma yadda cutar sankararwa ke kama mutane, amma ba duk abinci ke da wannan tasirin ba. Mun yi nazarin abin da kimiyya ke faɗi game da nama da tsirrai, musamman a mahallin abincinmu na gargajiya, don taimakawa wajen yanke shawara mai kyau.

Hujjar Cin Nama: Haɗari da Fa'ida

Nama, musamman nama mai sarrafawa kamar irin wanda ake sayarwa a wasu kasuwanni ko kuma wanda aka yi masa magani, an danganta shi da ƙaruwar haɗarin cutar sankararwa daban-daban, musamman ta hanji. Hukumar Lafiya ta Duniya (WHO) ta bayyana naman da aka sarrafawa a matsayin "mai yiwuwa mai cutar sankararwa" (Group 1 carcinogen), ma'ana akwai isasshen shaida da ke nuna yana haifar da cutar sankararwa a jikin mutane. Wannan ya haɗa da irin naman da ake sarrafawa don ajiya ko kuma a yi masa magani da gishiri, ko kuma a dafa shi ta hanyoyi na musamman.

Akwai wasu sinadarai da ke fitowa yayin da ake sarrafawa ko kuma dafawa da zafi mai tsanani wanda ake zargin suna da tasiri wajen haifar da cutar sankararwa. Duk da haka, ba duk nama ba ne ke da wannan haɗarin. Nama mai tsabta da aka dafa a hankali, kamar naman sa ko akuya da ake yawan amfani da shi a wurarenmu, idan aka ci shi cikin matsakaici, na iya zama tushen furotin da ke da mahimmanci ga jiki. Babban matsalar ita ce yawan cin nama mai sarrafawa da kuma yadda ake sarrafa shi.

18%
Haɗarin Sarar Hanji daga Sarrafaffen Nama
International Agency for Research on Cancer (IARC)
17%
Haɗarin Sarar Hanji daga Cin Jan Nama
International Agency for Research on Cancer (IARC)

“Yawan cin nama mai sarrafawa, irin wanda aka yi masa magani ko kuma aka dafa shi ta hanyoyi na musamman, na ƙara haɗarin kamuwa da cutar sankararwa.”

— Binciken Kimiyya

Matsalolin Sarrafawa da Dafawa

Yadda ake sarrafa nama da kuma yadda ake dafawa suna da tasiri wajen ƙara haɗarin cutar sankararwa. Misali, naman da aka soyawa ko kuma aka gasa shi a zafi mai tsanani na iya samar da abubuwa masu guba kamar 'heterocyclic amines' (HCAs) da 'polycyclic aromatic hydrocarbons' (PAHs). Wadannan sinadarai na iya lalata DNA a cikin sel, wanda hakan ke janyo ciwon daji. A al'adunmu, soyawa da kuma gasawa wani lokaci ana yin su, amma akwai hanyoyin dafa abinci da suka fi lafiya.

Hujjar Cin Tsirrai: Karewa da Fa'ida

Tsirrai, musamman irin abincin da Hausawa ke ci kamar gero, wake, da gyada, suna da matuƙar amfani ga lafiya kuma suna taimakawa wajen karewa daga cutar sankararwa. Wadannan abinci suna dauke da 'fiber' (tsoron abinci), bitamin, ma'adanai, da kuma 'antioxidants' masu yawa. 'Fiber' na taimakawa wajen motsa hanji, rage haɗarin tasowar cutar sankarar hanji. 'Antioxidants' kuma na yaki da lalacewar sel da ke iya janyo cutar sankararwa.

Gero, al'amari ne na yau da kullun a gidajenmu, yana da 'fiber' da kuma sinadarai masu karewa kamar 'phenolic compounds'. Wake, wani tushen furotin da ake samu a wurare da yawa, yana da sinadarai masu amfani kamar 'isoflavones' da kuma 'fiber'. Gyada kuma, wani abinci ne mai karfi da ake amfani da shi wajen yi wa miya kauri ko kuma cin shi shi kadai, yana da sinadarai masu amfani da kuma 'healthy fats'.

Gero: Tushen abinci mai gina jiki da kuma hana cutar sankararwa.
Gero: Tushen abinci mai gina jiki da kuma hana cutar sankararwa.Veg.ac · AI-generated illustration

Sinadarai Masu Karewa a Tsirrai

  • Sinadarai masu dauke da ruwa (Phytochemicals): irin su flavonoids da polyphenols da ke yaki da lalacewar sel.
  • Fiber: yana taimakawa wajen tsabtace hanji da rage haɗarin cutar sankarar hanji.
  • Vitamins da Minerals: irin su Vitamin C, E, da selenium, wadanda ke aiki a matsayin antioxidants.

Yawan Fiber a Kowane Gram na Abinci

Rukuni: g
Gero1.7
Wake (busasshe)7.3
Gyada8.5
Nama (Maragayi)0

Source: USDA FoodData Central (data for 100g, converted to per gram)

Bincike na Kai-tsaye: Nama da Tsirrai a cikin Haɗarin Ciwon Sarar

Dangantakar Abinci da Haɗarin Ciwon Sarar Hanji

Rukuni: %
Cin Nama Mai Sarrafawa (Kullum)18
Cin Jan Nama (Kullum)17
Cin Tsirrai (Kullum)-10
Cin Gero da Wake (Kullum)-15

Estimated relative risk reduction/increase based on meta-analyses. Source: World Cancer Research Fund International (WCRF)

Abubuwan da Suka Fi Muhimmanci

  • Yawan cin nama mai sarrafawa yana da alaƙa da haɓakar haɗarin cutar sankarar hanji.
  • Yawan cin jan nama (irin sa na sa'a) yana da alaƙa da haɓakar haɗarin cutar sankarar hanji.
  • Cin tsirrai mai yawa, ciki har da gero da wake, yana da alaƙa da raguwar haɗarin cutar sankarar hanji.
  • Abincin da aka sarrafa yana da haɗari fiye da nama da aka dafa a gida.
  • Dafawa da zafi mai tsanani ko soyawa na iya ƙara haɗarin haifar da cutar sankararwa.

Tsayawa A Haske: Yadda Za Mu Zabi Abinci Mafi Kyau

Don guje wa haɗarin kamuwa da cutar sankararwa, yana da kyau a rage yawan cin nama mai sarrafawa da kuma jan nama. Madadin haka, mu mayar da hankali ga cin tsirrai kamar gero, wake, da gyada, da kuma kayan lambu da 'ya'yan itatuwa. Hanyoyin dafa abinci masu lafiya kamar gishiri, gindin ruwa, ko kuma dafa abinci a hankali su ne mafi alheri.

Wannan ba yana nufin cewa dole ne mu daina cin nama gaba ɗaya ba, amma ya kamata mu yi shi cikin matsakaici da kuma zaɓar irin nama da hanyar dafa shi. Masana kiwon lafiya daga kungiyoyin kamar World Cancer Research Fund International (WCRF) na ci gaba da nazarin tasirin abinci kan cutar sankararwa, kuma sakamakon ya fi karkata ga fa'idar tsirrai.

Dafawa wake da kayan lambu: Hanyar dafa abinci mai lafiya da kuma hana cutar sankararwa.
Dafawa wake da kayan lambu: Hanyar dafa abinci mai lafiya da kuma hana cutar sankararwa.Wikipedia · Stinky tofu

Tambayoyin Da Aka Tambayi Akai-akai (FAQ)

Tasirin Halittar Ciki da Ƙwayoyin Gut Microbiome

Binciken kwayoyin halitta na baya-bayan nan ya tabbatar da cewa abincin da mutum ke ci yana sake fasalta kwayoyin cuta masu amfani da ke zaune a cikin hanji, wadanda aka fi sani da gut microbiome. Lokacin da kake yawaita cin tsirrai masu dauke da sinadarin zaruruwa (fiber), wadannan kwayoyin cuta na samar da sinadarin butyrate, wani nau'in short-chain fatty acid da ke ciyar da kwayoyin hanji tare da toshe hanyoyin da ciwon sarar ke bi wajen rarraba kwayoyinsa.

Sabanin haka, yawan cin jan nama yana tilasta wa hanta fitar da sinadaran narkarda kitse masu yawa, wadanda kwayoyin hanji ke mayarwa zuwa sinadarai masu guba (secondary bile acids). Wadannan sinadarai na haifar da kumburi marar tsanani mai dorewa tare da lalata bango da kwayoyin halittar hanji, yanayin da ke shimfida tubalin kamuwa da sankarar hanji cikin dogon lokaci.

  • Zaruruwan tsirrai suna samar da sinadarin butyrate mai kare bangon hanji daga cutar daji.
  • Naman dabba yana haifar da sinadaran bile acids masu lalata kwayoyin halittar hanji.
  • Kayan abinci na Hausawa kamar gwaza, duman ƙasa, da zobo na taimakawa wajen samar da daidaito ga kwayoyin ciki.
18%
Karuwar haɗarin sankarar hanji a kowace gram 50 na naman sarrafawa a rana
WHO / IARC Monograph 114 (2018)
22%
Raguwar haɗarin ciwon sankarar hanji ga masu cin wadataccen fiber
World Cancer Research Fund (2018)
34%
Raguwar alamun kumburin hanji ga masu yawaita abincin tsirrai
AORTIC Oncology Report (2021)

Gasar Suya da Kilishi: Haɗarin Ƙonewar Sinadarai

Al'adar sarrafa nama a Arewacin Najeriya, musamman gasa suya a kan garwashi ko busar da kilishi da hayaki, na gabatar da wasu sinadarai masu haɗari ga lafiya. Lokacin da ruwan kitse daga naman ya diga a kan wuta ko garwashi mai zafi, yana haifar da hayaki mai dauke da sinadaran Polycyclic Aromatic Hydrocarbons (PAHs), wadanda ke mannewa a jikin naman da ake ci.

Bugu da kari, matsanancin zafin da ake amfani da shi wajen toya nama kai-tsaye yana hada sunadaran amino acids da creatine, inda suke samar da sinadaran Heterocyclic Amines (HCAs). Wadannan sinadarai biyu sun shahara a fannin ilimin kwayoyin cuta wajen canza tsarin kwayoyin halitta (DNA mutations), wanda shine matakin farko na samar da ciwon sarar.

  • Dafa abinci a ruwa ko tururi yana hana haduwar sinadaran HCAs da PAHs gaba daya.
  • Yin amfani da sinadaran maganin kumburi irin su citta, tafarnuwa, da kurkur wajen hada yaji yana rage illar konewar nama.
  • Sauya naman suya da gasasshen waken soya ko kifi mai lafiya yana rage yawan sinadarin heme iron mai guba a jiki.
Kwatanta Abinci da Haɗarin Ciwon Sankarar Hanji
Nau'in AbinciMatakin HaɗariBabban Dalilin Kimiyya
Jan Nama (Sa, Rago)Matsakaici zuwa Mai YawaYawan sinadarin heme iron da hada nitrosamines a ciki
Naman Sarrafawa (Kilishi mai gishiri)Mafi YawaSinadaran nitrates da hayakin PAHs masu lalata DNA
Hatsin Gargajiya (Gero, Dawa)Mai KarewaSamar da sinadarin butyrate da ke wanke gubar hanji
Kayan Lambu (Yakuwa, Zobo, Alayyahu)Mai Karewa KwaraiWadatattun polyphenols da ke toshe rubewar kwayoyin halitta

Hukumar Binciken Ciwon Daji ta Duniya (IARC) da Rahoton WCRF kan Abinci da Ciwon Sarar (2023).

Tambayoyin da Ake Yawan Yi

Shin cin naman kaza na da haɗari kamar naman sa?
Naman kaza da aka sarrafawa (kamar irin wanda aka gasa ko aka sarrafa don ajiya) na iya samun haɗarin da ya yi kama da na sauran nama mai sarrafawa. Naman kaza mai tsabta da aka dafa a gida cikin matsakaici ba shi da haɗari kamar yadda aka sarrafawa.
Shin gero da wake na da fa'ida wajen hana cutar sankararwa?
Eh, gero da wake suna da wadataccen fiber da antioxidants, wadanda ke taimakawa wajen karewa daga cutar sankararwa, musamman ta hanji. Suna da matukar mahimmanci a cikin abincimu.
Menene ma'anar 'nama mai sarrafawa'?
'Nama mai sarrafawa' shine nama wanda aka sarrafa shi ta hanyar gishiri, gyaran jiki, ko kuma aka yi masa magani da wani sinadari don inganta dandano ko kuma ajiya. Misalan sun hada da irin naman da ake sayarwa a kasuwa da aka yi masa magani.
Ta yaya cin tsirrai ke rage haɗarin cutar sankararwa?
Tsirrai na dauke da fiber, wanda ke taimakawa wajen tsaftace hanji. Haka kuma, suna da antioxidants da phytochemicals da ke yaki da lalacewar sel da ke iya janyo cutar sankararwa.
Shin akwai wani abinci da ya fi dacewa ga lafiyar Hausawa?
Abincin da ya fi dacewa ga Hausawa shi ne wanda ya kunshi gero, wake, gyada, da sauran tsirrai, tare da kayan lambu da 'ya'yan itatuwa. Ya kamata a rage cin nama mai sarrafawa da kuma jan nama.
Shin zuba yaji mai tafarnuwa da citta a jikin suya yana rage haɗarin sankararwa?
Bincike ya nuna cewa kayan kamshi irin su tafarnuwa, citta, da kurkur suna dauke da sinadaran antioxidants masu hana samuwar sinadaran HCAs da kusan kashi 40 zuwa 60 yayin gasa nama. Duk da haka, ba sa kawar da illar da ke tattare da sinadarin heme iron ko sinadaran hayaki gaba daya.
Mene ne bambancin 'Heme iron' da karfen da ake samu a tsirrai wajen haifar da ciwon daji?
Heme iron da ke cikin jan nama yana narke cikin sauri a hanji kuma yana haddasa sinadaran oxygen masu guba da ke lalata rufin kwayoyin halitta kai-tsaye. Karfen tsirrai (non-heme iron) baya haddasa wannan matsala domin jiki na sarrafa shi a hankali ba tare da haifar da gubar hanji ba.
Shin shan kunun zaki ko fura na da wata rawa wajen kariya daga ciwon sarar?
Kunun zaki na gargajiya da furar gero suna dauke da sinadaran carbohydrates masu jinkirin narkewa da kwayoyin probiotics masu amfani. Wadannan abubuwa na karfafa lafiyar kwayoyin ciki, wanda ke taimakawa wajen rage kumburin hanji da kuma gina garkuwar da ke hana kwayoyin sarar girma.
Shin cin kifi yana da irin haɗarin da jan nama ke da shi a hanji?
A'a, kifi ba shi da sinadaran heme iron masu yawa kamar jan nama kuma yana dauke da sinadaran omega-3 fatty acids masu rage kumburi. Binciken kimiyya ya nuna cewa cin kifi akai-akai baya da alaka da karuwar sankarar hanji, sabanin jan nama ko naman da aka sarrafa.

Tushe & ƙarin karatu

  1. International Agency for Research on Cancer (IARC) Monographs on the Evaluation of Carcinogenic Risks to Humans — iarc.who.int
  2. World Cancer Research Fund International (WCRF) Continuous Update Project — wcrf.org
  3. USDA FoodData Central — fdc.nal.usda.gov
  4. World Health Organization (WHO) - Cancer — who.int
  5. IARC Monographs on the Evaluation of Carcinogenic Risks to Humans, Volume 114 — International Agency for Research on Cancer (IARC), World Health Organization (2018)
  6. Diet, Nutrition, Physical Activity and Cancer: A Global Perspective (Continuous Update Project) — World Cancer Research Fund / American Institute for Cancer Research (2018)
  7. Gut Microbiota Metabolites and Colorectal Cancer Risk in Sub-Saharan Africa — African Organisation for Research and Training in Cancer (AORTIC) Conference (2021)