Funso:
Dokotala wanga wakhala akundiuza ine kwa zaka zingapo kuti nditenge capsules mafuta a nsomba tsiku lirilonse kwa mtima wanga. Mlungu watha pamene ndinamuwona ndikuyang'anira chaka chonse, anandiuza kuti ndileke kuwatenga, chifukwa maphunziro ena atsopano amasonyeza kuti samachita zabwino. Nchiyani chikuchitika apa? Kodi mafuta a nsomba ndi abwino kwa mtima kapena ayi? Ndipo n'chifukwa chiyani madokotala sakudziwa?
Yankho:
Chimene mukuchitira pano ndi chikhalidwe chachipatala.
Maphunziro osiyanasiyana a zachipatala - malingana ndi mapangidwe awo, momwe amachitira ndi kufufuza, mtundu wotani wa odwala omwe amalembetsa, ndi zifukwa zina zambiri - nthawi zambiri amapereka zotsatira zosiyana, ngakhale pamene akuphunzira funso lomwelo. Kaŵirikaŵiri zimatenga zaka zambiri kuti sayansi ya zamankhwala ikonzekere kupyolera muzosemphanazo ndipo potsirizira pake ifike chomwe chingatchedwe moyenera kuti "choonadi." Mpaka nthawi imeneyo ifike, mumatha kupeza uthenga wotsatizana kuchokera kuchipatala - kapena ngakhale (monga momwe muliri) kuchokera kwa dokotala yemweyo.
Izi ndi zomwe zikuchitika ndi funso la mafuta a nsomba ndi mtima.
Kodi Chamoyo Chochuluka Chokhudza Mafuta a Nsomba N'chiyani?
Zaka zapitazo asayansi anazindikira kuti anthu omwe ankakonda kudya nsomba zambiri - monga Eskimos - anali ndi matenda a mtima kwambiri. Mafuta a nsomba amapezeka kuti ali ndi omega-3 fatty acids (mtundu wa polyunsaturated fatty acids, kapena PUFA ), makamaka omega-3 fatty acids EPA ndi DHA.
Kafukufuku wotsatira akugwirizanitsa EPA ndi DHA ndi zotsatira zabwino zambiri za mtima.
- Werengani zambiri za omega-3 fatty acids.
Zakudya za EPA ndi DHA zakhala zikugwirizana ndi kuchepa kwa triglyceride , kuwonjezeka kwa HDL cholesterol (ma "cholesterol"), kuchepetsa kuthamanga kwa magazi, kuchepa kwa thupi, komanso kuchepa kwa chiwopsezo cha mtima .
Maphunziro angapo apitayi adatinso kuti mafuta ophera nsomba amayambitsidwa ndi kuchepa kwa matenda a atherosclerosis ndi matenda a mitsempha (CAD) , kuchepetsa kuchepa kwa imfa ya modzidzimutsa , komanso kuopsa kwa kufa kwa mtima.
Maphunziro oterowo, omwe amafalitsidwa kwa zaka khumi kapena zisanu, amakhulupirira kwambiri kuti kudyetsa nsomba mafuta, kaya chakudya kapena njira zowonjezeramo, chinali lingaliro labwino kwambiri.
Kuwotcha Mafuta a Nsomba
Posachedwapa, mayesero akuluakulu a randomalized sanathe kusonyeza kuchepa kwakukulu kwa mtima wakufa ndi nsomba mafuta. Chokhumudwitsa kwambiri chinali Chiopsezo Choopsa cha Kuopseza ndi Kupewa, chomwe chinafalitsidwa mu 2013. Phunziroli linanena kuti anthu omwe amalandira mafuta a nsomba samachepetsa kufa kwa mtima, poyerekeza ndi anthu omwe ali ndi malo okhalamo.
M'mayesero atsopanowa, kuphatikizapo mafuta a nsomba kapena placebo, odwala olembera amalandira thandizo lachipatala kwambiri pofuna kuchepetsa chiopsezo cha mtima wawo ndi kuchiza awo CAD (monga statins , aspirin , beta blockers , ndi ACE inhibitors ). Zingakhale kuti ubwino wa mafuta a nsomba siwowoneka ngati anthu omwe sakhala ndi mankhwala oopsa.
Komabe, kufufuza kwaposachedwapa kwa mayesero osakanikirana ndi mafuta a nsomba kunapitirizabe kuwonetsa kuchepa kwa mtima kwa anthu odwala nsomba.
Funsolo, mwa kuyankhula kwina, lisakhazikika.
Kotero Kodi Timayima Kuti Ndi Mafuta a Nsomba?
Pang'ono ndi pang'ono, kutenga mafuta ophera nsomba sizomwe zimakhala ndi dunk zomwe zinali zaka zingapo zapitazo.
Komabe, pali umboni wochuluka wosonyeza kuti mafuta a nsomba angakhale opindulitsa. Mavuto ambiri omwe amachititsa kuti asamakhale ndi mavitamini asonyeza kuti nsomba zimapangitsa kuti thupi likhale ndi mavuto ambiri (monga HDL, triglycerides, kuthamanga kwa magazi). Ndipo ngakhale zotsatira zovuta za mayesero atsopano azachipatala, pali umboni wina wosonyeza kuti imfa ya mtima wonse ingakhale yabwino.
Onjezerani kuti ichi ndi chochepa kwambiri, ngati paliponse, chiopsezo chotenga nsomba mafuta (pambali pa ndalama), ndipo mumapeza chiwopsezo chachikulu / kupindula komwe kumakhala kosangalatsa.
Mfundo Yofunika Kwambiri
Ngakhale sizingakhale zofunikira kuti madokotala azilimbikitsa odwala awo kuti adye mafuta a nsomba, ngakhalenso nkofunikira kuti madokotala aziwauza kuti asiye.
Aliyense amene ali ndi chidwi chochita chilichonse chomwe chili chotheka kuchepetsa chiopsezo cha matenda a mtima ayenera kuganizira kudya nsomba zonunkhira kamodzi kapena kawiri pa sabata, kapena kutenga 1 gram pa tsiku. Kuopsa kochita zimenezi sikungatheke, ndipo pali mwayi wokwanira wopindulitsa kwambiri.
Zotsatira
Kromhout D, Feskens EJ, Bowles CH. Zomwe zimateteza nsomba zing'onozing'ono pa chifuwa cha matenda a mtima pakati pa anthu okalamba. Int J Epidemiol 1995; 24: 340.
Hu FB, Bronner L, Willett WC, et al. Nsomba ndi omega-3 mafuta acid kudya ndi kuopsa kwa matenda a mtima m'mabambo. JAMA 2002; 287: 1815.
Kuopsa ndi Kuteteza Gulu Lothandizana Phunziro, Roncaglioni MC, Tombesi M, et al. n-3 fatty acids kwa odwala omwe ali ndi ziwalo zambiri zoopsa za mtima. N Engl J Med 2013; 368: 1800.
Rizos EC, Ntzani EE, Bika E, et al. Chiyanjano pakati pa omega-3 fatty acid supplementation ndi chiopsezo cha matenda akuluakulu a mtima: zochitika zowonongeka ndi kusanthula meta. JAMA 2012; 308: 1024.