Covidecouldstarvethebrainofoxygentriggeringanother
'terrifyingsideeffect',scientistsdiscover
COVID-19couldstarvethebrainofoxygenandcausea\terrifyingsideeffect\,scientistshave饿死warned.ThethreemainsymptomsofCovid-19areanewpersisentcough,ahightemperatureandalossoftasteandsmellbutsomepeoplewhocontractthevirusalsoexperiencebrain合同fog-creatinga\significantburden\.PeoplewhoovercomeCovid-19canoftenbeleftwithlong造雾重要的负担Covid,acoditionwhichhasseenmanypeoplestruggletorecover.ManypeoplewithlongCovidhavediffcultyconcentratingandthinkingandsomehaveevenexperiencedshort-termmemory短期的lossasaresultofthevirus.Inahandfulofcases,somepatientshavealsoreportedpsychosis少数的精神病anddelrium.InordertounderstandtheimpactthatCovid-19hasonthebrain,scientistshave谵妄影响autopsiedbrainsofpatientswhodiedfromcoronavirus.whattheexpertsfoundwaslargecells尸解calledmegakaryocyteswhichweretakingupspaceandleavinglessroomforbloodtopass巨核细胞throughthebrainfreely.ProfessorofpathologyattheJohnsHopkinsUniversitySchoolof病理（学）Medicine,DavidNaudensaidthiscouldbekeytounderstandhowthebrainisimpactedbytheCovid-19virus.SpeakingtoABCNewshesaidifthesecellsareblockingbloodflowtothebrain阻塞thenitwouldstarveitofthenutrientsandoxygenitneedtoworkatfullcapacity.ProfNauen饿死营养物容量addedthatthe\findingsonautopsysuggestthattheburdencouldbesignificant\.Hesaid:尸解重要的\Thebraincortexisrichlyvascularizedwithcapillaries,ifsomeproportionofcapillariesare皮质血管化毛细血管部分blockedoroccludedbythesecell,itblockssomelevelofbloodflow.Analterationinflowof堵塞变化、改变bloodinasystemthatissopreciselydeliveringoxygenbasedontimeandneedcouldbe精确地传递leadingtoimpairedcognitivefunction,likeabrainfogpicture.\ProfNauensaiditwaskeythat受损的认知的researcherslearnhowthecellsaregettingintothebrainandwhattheyaredoingoncethey
areinthere.Otherscientistsclaimthatpeoplewhoexperiencebrainfogarelikelytohaveinflammation.AdrienneA.Boire,MD,PhD,aNeuro-Oncologist&NeurologistatMemorialSloan炎症博士神经肿瘤学家神经学家KetteringCancerCenterexplainedthatcytokines(atypeofprotein)swirlaroundthetissue癌症中心细胞活素类旋转thatsurroundsboththebrainandthespinalcord.LASTINGDAMAGE
脊髓Theyareusuallyassociatedwiththeimmunesystemandcancausedamagetovitalorgans.免疫生命的ManypeoplewhocontractCovidsufferfrominflammationandsomepatientsoftendevelopskinconditionscausedbythis.ProfBoiresaidthatpatientswhorecoverfromCovidwithoutsufferingfromanysideeffectscouldhelptodeterminewhysomedevelopbrainfogandothersdon't.Arecentstudyalsofoundthat44percentofpeoplewhohadCovidsufferedfromattentiondisorder.Several\neuropsychiatricsymptoms\-mentaldisorderslinkedwith障碍diseaseofthenervoussymptom-werediscoveredbytheresearchteamintheUS.Thesewereheadaches(44percent),attentiondisorder(27percent)andlossofsmell(21percent).Theycouldbearesultofthecoronavirusdirectlyimpactingthebrain,oxygendeprivation撞击、碰撞缺氧duringCovid,medications,orthestressofhavingCovid-adeadlydisease.AUKstudyalso药物suggestedthatpatientsworst-hitbyCovidcouldseetheirbrainagoby10years.Researchersfoundthatintheworstcasestheinfectioncancausetheinfectioncancausementaldeclineequivalenttoan8.5-pointfallinIQorthebrainageingadecade.Evenpeoplewhoshowedonly老龄化十年mildsymptomsscoredlowerontheteststhanthosewhohadnotgotCovid.
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外刊笔记：新冠可能的副作用 - 图文
