Amincewa da rikice-rikice na kwanan nan game da ma'aunan BMI
Kuna da matsananciyar nauyi - yana da BMI mai girma da aka haɓaka - hade da haɗarin haɗarin likita, ko a'a? Yayin da ƙudan zuma ya nuna haɗarin haɗarin likita, kuma yayin da jama'a da malaman kiwon lafiya sun kware sosai a kan rike nauyin jiki na "al'ada", yawan haɗarin da ake dasu da kasancewar nauyi kawai (kamar yadda yake tsayayya da obese) ba shi da kyau.
Menene Nazarin Ya Ce?
Irin yanayin da wannan batu ya bace ba shi da ɗan lokaci ya faru a yayin da wani labarin da ke cikin Lancet ya nuna cewa marasa lafiya marasa lafiya da suka kasance "ƙananan" ingancin, kamar yadda BMI ya nuna, suna da ƙananan haɗari fiye da marasa lafiya wadanda suke "nauyi".
Har ma mawallafin wannan takarda sun zama abin kunya da wadannan binciken. Kuma don sake rikita batun, manyan batutuwa guda biyu da suka bayyana game da lokaci ɗaya a cikin New England Journal of Medicine sun goyi bayan ra'ayin da ya fi dacewa - cewa ƙima, ta kowane adadin, yana ƙara haɗarin mutuwa.
Yayinda yake kokarin magance rikice-rikicen jama'a game da al'amarin, a cewar Wall Street Journal , Cibiyoyin Kula da Cututtuka sun umurci masu bincike kada su yi magana a fili a kan sabon binciken, kuma "wani kakakin ma'aikatar ba shi da wani sharhi." (Za ka iya karanta littafin Wall Street Journal a nan, amma yana buƙatar biyan kuɗi.)
Hanya BMI tana nufin zama mai sauri don sanin ko mutum yana da kitsen jiki mai yawa. BMI yawancin 20 zuwa 24.9 suna dauke da al'ada, yawancin 25 zuwa 29.9 suna da dariya, yawancin 30 zuwa 34.9 suna da ƙari, kuma yawancin sama da 35 suna da ƙari. Abubuwan da ke ƙarƙashin 20 suna dauke da nauyin nau'i. Kuna iya lissafin ci gaba ta amfani da wannan maƙaleta.
Kusan dukkanin binciken da ake amfani da su na BMI sun yarda akan wasu matakai. Da farko dai, mutanen da suke da ƙari ko kuma ƙananan haɗari sun ƙãra haɗarin cutar cututtukan zuciya da mutuwa. Abu na biyu, mutanen da ke da nauyin nauyin nau'i suna da haɗarin mutuwa . (Wannan zaton shi ne yafi saboda magungunan cututtuka irin su cututtukan zuciya, cutar huhu , ciwon daji ko kamuwa da cuta - wanda kansu sukan haifar da asarar nauyi kamar yadda cutar ta ci gaba.)
Idan akwai rikici yana cike da keɓaɓɓun mutane waɗanda aka zaba a matsayin nauyin ƙaya, amma ba ƙananan ba, wato, wanda yawancin BMI ya kasance fiye da 25. Mafi yawancin binciken sun nuna rashin lafiyar likita har ma saboda wannan yanayin ƙima. Amma ƙananan bincike na nuna ɗan haɗari kadan ga waɗannan mutane.
Da dama an bayyana ma'anar wannan bambanci, amma abin da yake da mahimmanci shi ne ra'ayin cewa BMI ya auna kanta - wanda yake la'akari da nauyin nauyi da tsawo - sau da yawa yakan ba da ma'auni na "nauyi" idan mutum ya kasance kawai a mai kyau siffar kuma yana da kyau muscle taro. Wato, ga mutanen da ke da lafiya tare da BMI na 25 ko 26, nauyin "wuce gona da iri" ba zai zama mai kima ba.
Ƙididdigar Ƙira
Samun mai yawa mai yawa - musamman, mai yawa mai yawa a cikin rassan ciki - wurare masu mahimmanci na rayuwa akan tsarin na zuciya da jijiyoyin jini kuma yana kara yawan cutar cututtukan zuciya .
Hidimar BMI tana da kyau sosai ga mutanen da suke da nauyin nau'i ko nauyin nauyi (misali, yana da matukar wuya a sanya ƙwayar tsohuwar muscle don samun BMI sama da 30 ba tare da yin amfani da steroid ba), amma BMI ba shi da kyau don gano mutanen da suke kawai "ƙima." Akwai wasu mutane da ke da rassa BMI a cikin filin 25 - 29 kawai saboda suna da babban siffar. Amma, na mika wuya, waɗannan mutane sun san ko wanene su.
Don haka, idan kana da wata ƙimar BMI a cikin nauyin "ƙananan", kuma suna la'akari da yin biki saboda za ka yarda ka yi imani da labarin Lancet kuma ka watsar da duk wasu shaidu da akasin haka, bari kawai ka amsa wannan tambayar kafin ka bude bude cewa Budurwa ta gaba: Shin ƙwarar ku ta kasa kasa da girman ku?
Idan "eh," to tabbas kai ne daya daga cikin wadanda ke cikin siffar jiki mai kyau, kuma nauyin "wuce gona da iri" yana taimakawa ga ƙimar ka na BMI shine tsoka, kuma ba mai lalacewa ba (wanda ba haka ba ne ka kasance a shirye yake don shirya ta hanyar cinye komai kalori). Amma idan amsar ita ce "a'a," kuma kana da wannan tsattsauran ra'ayi-wanda aka ajiye mai, ba ku da kome don yin bikin game da.
Don, yayin da BMI ya kasance wani lokaci mai amfani da sauƙin ma'auni, yaduwar kunya-to-hip mai yiwuwa ita ce mafi mahimmanci mahimmanci na hadarin zuciya .
Sources
Romaro-Corral A, Montori VM, Somers VK, et al. Ƙungiya ta jiki tare da yawan mace-mace da ciwon zuciya na zuciya a cikin cututtukan cututtukan zuciya: Binciken na yau da kullum game da bincike na jaridar. Lancet 2006; 368: 666-678.
Adams KF, Schatzkin A, Harris TB, et al. Nauyin kifi, kiba, da kuma mace-mace a cikin manyan 'yan gudun hijirar mutane 50 zuwa 71. N Engl J Med 2006; 355: 763-778.
Lee SH, Sull JW, Park J et al. Jiki-taro index da mace-mace a cikin maza da mata Korean. N Engl J Med 2006; 355: 779-787.