走路是最佳减压方式之一

《走路是最佳减压方式之一》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、走路是最佳减压方式之一最新一项研究发现，快走或慢跑能够刺激大脑神经细胞从而使神经官能放松达到镇静减压的作用。研究人员通过两组老鼠的对比实验发现，经常跑动的老鼠大脑中会产生大量能够抑制大脑活动并镇静兴奋细胞的神经元，在压力环境中，这些神经元能够迅速被大脑释放以抑制不必要的焦虑反应。研究人员指出，经常跑动的老鼠对抗压力的能力更强，这在人类身上也同样适用。Oneofthebestwaystorelievethestressesofthedayistosimplywalkthemaway,scientistshavefound.Walkingbrisklyorjoggingre

2、allydoescalmyoudownbysparkingnervecellsinthebrainthatrelaxthesenses,newresearchhasshown.Exercisehaslongbeenthoughttobeeffectiveforanxietyanddepression,butthebrainmechanismbehindthephenomenonhasremainedamystery.Nowtestsonmiceshowwhentheyareactive,soothingneuronsinthebrainaretriggered.When

3、theyarethenexposedtoastressor,theseneuronscalmthemdown.Researcherstooktwogroupsofanimals,onethatranaroundandanotherthatwassedentary,andthentestedtheamountofbraincellsthatformedaftertheyexercised.Therunners' brainshadanumberofnewneuronsspecificallydesignedtoinhibitbrainactivityandquietmor

4、eexcitableones.Theresearchersthenputthemiceintoicecoldbathstocreateastressfulenvironment.Asexpected,largenumbersofexcitableneuronswerefiredupinthehippocampus,aregionofthebraininvolvedinemotionalresponses.Butinthebrainsoftherunners,calmingneuronswerealsoquicklyreleasedwardingoffunnecessar

5、yanxiety.Theresearchshowsexercisingmiceareabletocopebetterwithstress,anditisbelievedtheeffectisalsoseeninhumans,reportstheJournalofNeuroscience.ProfessorElizabethGould,ofPrincetonUniversity,NewYork,saidphysicalactivityreorganizesthebrainsoanxietyislesslikelytointerferewithnormalfunction.

6、Shesaid:'Understandinghowthebrainregulatesanxiousbehaviorgivesuspotentialcluesabouthelpingpeoplewithanxietydisorders.'Italsotellsussomethingabouthowthebrainmodifiesitselftorespondoptimallytoitsownenvironment.'Thefindingsresolveaparadoxbecauseexercisereducesanxietywhilealsopromotingthegro

7、wthofnewneuronsinthehippocampus.Becausetheseyoungcellsaretypicallymoreexcitablethantheirmorematurecounterparts,exerciseshouldresultinmoreanxiety,notless.Buttheresearchersfoundexercisealsostrengthensthemechanismsthatpreventthesebraincellsfromfiring.ProfGouldsaididentifying