tedó￠ó--y-2--￡o-aê2-′-úê3--·ê--d§1-￡-

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1、TEDó￠ó??Y?2??￡o?aê2?′?úê3??·ê??D§1?￡?　　?????ò?é￡o?ú?à1ú￡?80%μ???o￠?ú?y??10?êμ?ê±oò±??aê??úê3?￡é??-?§?òsandraaamodt?áo?×??oμ??×éí?-àú￡??2ê?′ó??ê?è?o??????ò??μ?éíì?μ??￡?úê3??·ê?ao???D§1??à′ìyìy?yμ??μ·¨°é!　　????threeandahalfyearsago,imadeoneofthebestdecisionsof

2、mylife.asmynewyear'sresolution,igaveupdieting,stoppedworryingaboutmyweight,andlearnedtoeatmindfully.nowieatwheneveri'mhungry,andi'velost10pounds.　　????thiswasmeatage13,whenistartedmyfirstdiet.ilookatthatpicturenow,andithink,youdidnotneedadiet,youneededafashi

3、onconsult.(laughter)butithoughtineededtoloseweight,andwhenigaineditback,ofcourseiblamedmyself.andforthenextthreedecades,iwasonandoffvariousdiets.nomatterwhatitried,theweighti'dlostalwayscameback.i'msuremanyofyouknowthefeeling.　　????asaneuroscientist,iwondere

4、d,whyisthissohard?obviously,howmuchyouweighdependsonhowmuchyoueatandhowmuchenergyyouburn.whatmostpeopledon'trealizeisthathungerandenergyusearecontrolledbythebrain,mostlywithoutyourawareness.yourbraindoesalotofitsworkbehindthescenes,andthatisagoodthing,becaus

5、eyourconsciousmind--howdoweputthispolitely?--it'seasilydistracted.it'sgoodthatyoudon'thavetoremembertobreathewhenyougetcaughtupinamovie.youdon'tforgethowtowalkbecauseyou'rethinkingaboutwhattohavefordinner.　　????yourbrainalsohasitsownsenseofwhatyoushouldweigh

6、,nomatterwhatyouconsciouslybelieve.thisiscalledyoursetpoint,butthat'samisleadingterm,becauseit'sactuallyarangeofabout10or15pounds.youcanuselifestylechoicestomoveyourweightupanddownwithinthatrange,butit'smuch,muchhardertostayoutsideofit.thehypothalamus,thepar

7、tofthebrainthatregulatesbodyweight,therearemorethanadozenchemicalsignalsinthebrainthattellyourbodytogainweight,morethananotherdozenthattellyourbodytoloseit,andthesystemworkslikeathermostat,respondingtosignalsfromthebodybyadjustinghunger,activityandmetabolism

8、,tokeepyourweightstableasconditionschange.that'swhatathermostatdoes,right?itkeepsthetemperatureinyourhousethesameastheweatherchangesoutside.nowyoucantrytochangethetemperatureinyourhousebyopening