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1、要想活得久，抬臀起步走Sittingcomfortably?Youwon'tbeafterreadingthis:Cankles,constipationandeven'brainfog'-whyweshouldalltrytospendalotlesstimeonourbottomsByDIANAPILKINGTONWithmanyofuschainedtoadeskforhoursadaybeforeheadinghometoslumpinfrontofthetelly,we'respendingmuchofourtimeonourbottoms.Andit'
2、shavinganimpactonourhealth,agrowingbodyofevidencesuggests.Lastmonth,forinstance,itemergedthatspendinganextrahoursittingaday(for13,ratherthan12,hours)islinkedtoa50percentgreaterriskofbeingdisabled.Andthiswasregardlessofwhethertheparticipants-allover60-alsodidmoderateexercise,accordingt
3、otheU.S.studypublishedintheJournalofPhysicalActivity&Health.Previousresearchhassuggestedspendingtoomuchtimeonourrearmaybeanewriskfactorforillnessandevendeath.Here,theexpertsrevealwhathappenstoourbodieswhenwesitforlongperiods...LEAKYVEINSThatdreaded'cankle'lookisn'tjustunsightly-itmaya
4、lsobeasignthatyouneedtogetup.'Ifyoudon'tkeepbloodpumpingoutofyourlegandbacktoyourheart,yougethighpressureallthetimeintheveinsinthelowerlegsandfeet,'explainsProfessorMarkWhiteley,consultantvascularsurgeonattheWhiteleyClinicinWestLondon.'Withtheveinwallsunderpressure,someproteinsandflui
5、dmayleakintothetissues,resultingininflammation.Youoftenseepeoplewhospendalongtimeattheirdeskwithridgesontheirskinfromtheirsocks.It'sbecausethey'renotmovingenough.'Thiscanalsoapplytoslimpeople,asitisfluid,ratherthanfat,thatcausesridges.Overtime,thesameproblemcanleadtobrownstainsandhard
6、eningontheskin,eventuallyleadingtolegulcers,saysProfessorWhiteley.Reducedcirculationinthelegscanalsoraisetheriskofbloodclots,suchasdeepveinthrombosis(DVT).Butmostpatientshaveotherriskfactors,too,suchasage.Wigglingyourtoes,gettingupandwalkingevery20minutes,orusinganelectriccirculationb
7、ooster-whichadministerssmallelectricshockstothefeet-canhelpbloodflow,saysProfessorWhiteley.Thosesittingforlongperiodsmayalsowanttowearflightsocks.RAISEDBLOODSUGARSittingfortoolongcancauseustobecomeinsulinresistant,aprecursortotype2diabetes,saysMarkVanderpump, honoraryseniorlecturerind
8、iabet
