Abincin Miki Zaiyi Sawa
Akwai ra'ayoyi da yawa game da haddasa ma'aurata . Wasu ka'idodi sun samo asali ne a kimiyyar kimiyya, wasu kuma sune anecdotal. Kowace iyali yana da ka'idar kansu, amma wanda ya kewaya a cikin 'yan shekarun nan haɗi ne tsakanin rage cin abinci a madara da kayan kiwo da karuwa a cikin tagwaye.
A shekara ta 2006, an sake nazarin binciken cewa matan da suka hada da abincin da ake amfani da su a cikin abinci a yau da kullum suna da sau biyar suna da tagwaye fiye da 'yan'uwansu mata.
Maganar Mayu 2006 ta Jaridar Labaran Harkokin Tsarin Hoto ta hada da rahoto daga likita a Cibiyar Magunguna ta Yahudawa ta Long Island wadda ta tabbatar da cewa amfani da kayan kiwo ya haifar da yiwuwar mace ta haɗu da juna biyu. An yi nazarin wannan binciken a cikin kafofin watsa labarai masu ban sha'awa irin su The New York Times, BBC News, da LiveScience, da kuma ɗaukar hoto ya sa mutane da yawa su gaskata cewa mai arziki a cikin kiwo na iya kara yawan damar yin jima'i.
Ga wasu bayanai game da binciken. Dokta Gary Steinman na Jakadan Lafiya na Long Island Jewish (LIJ) a New Hyde Park, NY ya yi nazarin bangarori uku na mata:
- Vegans (waɗanda ba su cin abincin dabbobi ba)
- 'Yan Vegetarians (wadanda ba su cin nama ba amma sun cinye kayayyakin samar da kiwo)
- Omnivores (wadanda suka ci naman, ciki har da kayayyakin kiwo)
Sakamakon bincikensa ya nuna cewa ƙungiyar mata masu cin mata suna da tagwaye fiye da sau da yawa - a gaskiya, sau biyar - fiye da sauran kungiyoyi.
Maganarsa ita ce, abin da ake kira Insulin-Growth Factor (IGF), wani sinadaran da ke taimakawa jarabobi su tsira a farkon matakan cigaba, ana daukaka lokacin da aka ba da shanu a jikin dabbobi don bunkasa samar da madara da naman sa. Lokacin da mata ke amfani da madara daga waɗannan dabbobi, jimlar su suna amsawa, yaduwar jari-hujja.
Ya haɗu da ka'idarsa zuwa sauri a cikin haihuwa a cikin shekaru talatin da suka wuce. An karuwancin karuwar yawancin tsofaffiyar haihuwa da karuwar amfani da fasahar ƙwayoyi. Duk da haka, wannan binciken ya nuna cewa halaye masu cin abinci zai iya zama wani abu.
Zai kuma bayyana dalilin da ya sa karuwa ne kawai a fili a cikin ɓarna, ko jigon jima'i, wanda zai haifar da haɗuwa da ƙwai mai yawa. Abinda aka sani, ko monozygotic , yawan juyayi sun kasance ba canzawa ba. Ma'aurata monozygotic suna faruwa a yayin da kwai guda ya hadu a cikin kashi biyu. Kamar dai yadda yake a yanzu, babu wanda ya gano ainihin abubuwan da ke haifar da twinning na monozygotic.
Sabon Shaida Game da Twinning da Dairy
A cikin shekarun da aka saki binciken farko na Steinman, an kira ka'idar. Binciken na ƙarshe ya samo asarar a cikin binciken, ciki har da samfurin nazari na ban sha'awa. Shaidun da ba a yarda ba sun nuna cewa cewa matakin IGF a cikin shanu da aka kula da shi kadan ne kuma cewa tasiri na yin amfani da shi ta hanyar amfani da samfurori ba shi da amfani a cikin mutane. Don haka, haɗuwa tsakanin abinci mai cin nama da ƙarar daɗaɗɗowa yana cike da basira. Yana da maƙasudin cewa yawancin abinci mai gina jiki tsakanin matan mata da mata da suka shiga cikin binciken ya fi dacewa da bayani game da mummunan tasiri na twinning.
Duk da yake yana da ra'ayin mai ban sha'awa don nuna haɓaka a yawan haihuwa na haihuwa don amfani da kayayyakin kiwo, ba a karɓa a matsayin hujja kimiyya ba.
Sources:
Bakalar, N. "Tashi a Ranar Haihuwar Haihuwa Zamu Yi Magana da Lafiya." The New York Times , Mayu 30, 2006. Samun shiga Fabrairu 12, 2016. http://www.nytimes.com/2006/05/30/health/30twin.html
Collier RJ, Bauman DE. "Tabbatar da damuwa game da lafiyar mutum game da maye gurbin bovine somatotropin amfani da shanu da kiwo." Journal of Animal Science. , Afrilu 2014, pg. 1800-7.
Steinman, G., "Tsarin hanyoyi na twinning: VII. Sakamakon cin abinci da rashin daidaituwa a kan jima'i na mutum." Littafin Labaran Harkokin Zama, Mayu 2006, pg. 405.