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1、It’snosecretthatreadingishelpful.阅读理解答案 It’snosecretthatreadingishelpful.ButcanithelpkidsloseweightInthefirststudytolookattheinfluenceofliterature(文学)onoverweightteenagers,researchersatDukeChildren’sHospitaldiscoveredthatreadingtherighttypeofnovelmaymakeadifference. The
2、Dukeresearchersaskedoverweightgirlsaged9to13whowerealreadyinaweightlossprogramtoreadanovelcalledLakeRescue.Itwascarefullycreatedwiththehelpofpediatricexperts(儿科专家)toincludespecifichealthylifestyleandweightmanagementguidance,aswellaspositivemessagesandstrongrolemodels. Si
3、xmonthslater,theDukeresearchersfoundthe31girlswhoreadLakeRescueexperiencedasignificantdecrease(fall)intheirBMIscores(-.71%)whencomparedtoacontrolgroupof14girlswhohadn’t(+.05%),explainedAlexandraC.Russell,afourth-yearmedicalstudentatDukewholedthestudy. “Asapediatrician,Ic
4、an’tcountthenumberoftimesItellparentstobuyabookthatmightprovideusefuladvice,yetI’veneverbeenabletopointtoresearchtobackupmyrecommendations,”saysSarahArmstrong,directorofDuke’sHealthyLifestylesProgramwheretheresearchtookplace.“Thisisthefirstprobableinterventional(介入的)study
5、thatfoundliteraturecanhaveapositiveinfluenceonhealthylifestylechangesinyounggirls.” Obesityisbecomingmorewidespreadinchildren,accordingtotheCDC(CentresforDiseaseControl),whichreportsthat16percentofchildrenaged6to19areoverweightorobese,anumberthathasincreasedsince1980.Res
6、earchersarelookingatalotofwaystohelpkidsstayhealthy,loseweightandbemoreactive,butArmstrongsays,“mostdon’tworkverywell.Theweightlosschoicesthatareeffectivetypicallyinvolvetakingpowerfulmedicationswithsideeffects,orrequirelong-lastingsurgicalprocedures.” WhiletheBMIdecreas
7、eduetothebookissmall,ArmstrongsaysanydecreaseinBMIisencouragingbecauseBMItypicallyincreasesinchildrenastheygrowanddevelop.That’sokayaslongasitfollowsanormal,progressingcurve.Inoverweightkids,however,BMIusuallyincreasesmorequickly.“IftheirBMIpercentile(百分位)goesdown,itmeans
8、theyareeitherlosingweightorgettingtallandnotgainingweight.Bothareseenaspositivesignsinkidswhoare
