Caafimaadka, Riyoon
Caruurta seexan yar, si degdeg ah u koraan at heerka gacanta
Carruurta yar yar inta badan waa adag tahay in la gelin sariirta, laakiin runtii waxay u baahan tahay. hurdo aan sunta la saaro maskaxda, xusuusta waqtiga-gaaban uusan ha gelin ah muddo dheer, awood u leh inay fikirkooda fahamka iyo xalinta dhibaatada la yareeyo, iyo maskaxda bilaabaa in uu laftiisa wada baabbi'in.
Sida baadhitaan cusub, kuwaas oo natiijada ayaa la soo daabacay wargeyska "Pediatrics", riyo - waxa ay sidoo kale waa hab fiican oo in la kordhiyo noloshaada. Gaar ahaan, hurdo la'aanta ee carruurnimada sababa xumaatay degdeg ah ee gobolka of DNA.
Laga soo bilaabo waxa ku xiran tahay heerka ah ee gabow gacanta?
Daraasado ayaa hore loola xiriiriyay hurdo amuur heerka koror ah ee gabow gacanta. Heerka waxaa inta badan lagu go'aamiyaa gobolka telomeres - meelaha at darafyadiisa oo koromosoomyada our.
Telomeres (ka Giriigga. "Qaybo End") looga hortago isuga si shil ah koromosoomyada deriska ah iyo waxyeellada Deegaanku.
Senescence keenaysaa in riixo oo ka mid ah telomers, dheehan koromosoomyada sii galmo iyo si fudud u burburay. The gaaban telomeres ah, ninkii ka weyn.
Intaa waxaa dheer, telomeres gaaban kordhin aad ka dhaxleen cudurka wadnaha, horumarinta xanuunada dareemayaasha, dhibaatooyin maskaxeed, iyo horumarinta ah ee kansarka.
daraasad American
Koox Seynis yahanno ka tirsan Jaamacadda Princeton University go'aansaday si aad u ogaato in saamayn this ayaa lagu arkay carruur, ma ahan oo keliya dadka waaweyn. Si taas loo tijaabiyo, waxay u arkaan database ah, oo ay ku qoran warbixin faahfaahsan oo ku saabsan caadooyinka hurdo sagaal sano ku dhawaad 1,600 oo carruur Maraykanka. Waxa kale oo ay u suurtagashay in ay hesho shaybaarka DNA laga carruurta iyo falanqaynta dhererka telomeres ay.
Waxaa soo baxay in saacad kasta oo hurdo ah amuur keentay in yaraynta ee telomeres by 1.5 boqolkiiba. Tani, in nuxurka, macnaheedu waxa weeye in carruurta kuwaas oo ku koraan si degdeg ah, inkastoo aysan caddeyn in ay heerkee.
Waa maxay sababta ay tahay in carruurta la seexday tiradii la rabey saacadood ma horumarinta ayaa sheegay in cudurka ama xaalad? Sababta been in ay da 'yar. Si kastaba ha ahaatee, tani macnaheedu ma aha in caruurta oo kale waa u nugul kuwaas oo cudurro qabtay oo qaangaarnimada.
Seynisyahanno helin farqiga ururka oo ku saleysan jinsiyad, jinsi ama xaalada dhaqan-dhaqaale.
Imisa carruur ah u leeyihiin in ay seexdaan
Carruurta ka yar 9 sano jirka ah waa hurdaa, ugu yaraan sagaal saacadood maalintii, xitaa ka sii badan la doorbidayo 10 ama xitaa 11. Marka la barbardhigo dadka waaweyn, kuwaas oo dhaawici kara hurdo aad u dheer, marka ay timaado carruurta, aad bay u sii fiican u seexdaan.
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