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2 Understanding Some Basics（第1页）

2UandingSomeBasibsp;

TherearcafewprineedyoutouaAtkinsintoa。Let'sstartleofdefinitions。First，acalorieissimplyaunity—preciselytheamouramreeCelsiusatsealevel。

&abolismisthesumofthephysidchemicalprocessesbywhichfoodistray。

'smoveosandmiss。

Don'tExcessCaloriesCause>

Itistruethatgairesultsfromtakinginmorecaloriesthaexcesscalorieslycauseyoutopileonthepounds—andthisisagigantic"but"—-onlywheingalotofcarb>

Soit'stimetoabaionthattheonlywaytoloseweightistostritrolyourintakeofahatohingmatters:howmaakei'snotthatsimple。

Whenyoufollowatrolledcarbohydrateapproach，yougetwhatIcalla"metabolitage。"Whenyoutrolcarbohydrateptioly，yourbodywillswitburningglucosederivedfromcarbohydratetprimarilyfatfy。Thismeansyoucouldeat，say，2，000caloriesandstillbeginlosingpoundsandinches。

Intrast，ifyouwereing2，000caloriesonalow-fatdiet，youmight，andyoumightactuallygaihemetabolitageisthatburningfattakesmysoyouexpendmorecalories。AndifyoueatfeweranyAtkinspeopledobecausetheirappetiteisusuallydiminished—you'lllikelyloseweighteve'snotthatcaloriesdon'tt，it'sjustthatyouwillburhem，withlesshunger，whenyourbodyisonafat-basedmetabolism。

WhenIpublishedthefirsteditionofthisbooktenyearsago，thatclaimwasquitetroversial。Todayitisgallopingiangstistswhostudythehumaabolism。Glahroughthereferehebackofthisbookandyouwillseetheudiesandarticlespublishedisixyears。And，wewilldealwiththemetabolitageiailinChapter7。

&heAtkinsWayMustHaveSpetages

Youbetitdoes。HerearesixreasonswhydoingAtkinsworks:

1。AsI'vejustsaid，itmobilizesmorefatforuseasehayouhaveeverentered。Inaigaimonials，Atkiedlybeeakeoffmorefatthanramswhenan。equalnumberofcaloriesised。Thisiagehasbeenreseardvalidated。

&rolledcarbohydratenutritionalapproaotoieristhemainreasonforthefailureofmostweightlossefforts。Alife-timeeatiobepalatable，pleasantandfilling。Youwillhavetoabandonsugarandotherrefinedcarbohydratessuchaswhiteflour。Butmostpeoplefindthatoheyshakeoffthesugaraddi，theyfeelndesiretogobacktoit。Forthem，anutritionalapproachthatallows，themtoeatavastvarietyofmeatandfishandsaladsaablespreparediappetizingmahbutteranddspid—isanythingbutaustere。EatingAtkins-styleisafoodlover'sdreametrue—luxurious，healthyandvaried。

3。Atkiwaytomailoss。Thetroublewithlosionalow-calorielow-fatdietoronaliquid-proteithemaintenanissoverydifferentfromtheweightlram。Sowhenyougobaerwayofeating，thepouhastonishingspeedbecauseyouareunpreparedformaintenance。

Therearesoundphysiologisforthis。Whehenumberofcaloriesyoueat，yourmetabolismshiftsintoasurvivalmode，meaningitslowsdownty。Whenyougobacktoahigher-caloriediet—-asyouiablymust—yourbodyisstillinitsmcaloriesslowly。Soitbeesextremelyhardtoailoss。

&maintailossisthegreatpluswhiledoingAtkins。eopleknowaboutitisthatyouusuallylosealotofidly。Andyouprobably。Butthekeypointisthattheweightdoesn'treturhereasonsisthatitdoesn'tcreateabigdifferehenumberofcaloriesytheweightlossamaintenancephases。

&kinsNutritionalApproachisactuallyaoffourphasesthattransitionseamiesslyfromo。Phase1，knownasIndu，crashesyhmostweightlossbarriersandwillgeroduthemostmetabolicallyresistaoweightredu。Phase2，OLoss（OWL），willoothlytoal。Phase3，Pre-Maintenaoermalyahierwayofeatingthat，withamodestdegreeofdiligenyourpan，willallowyoutostayslimforever。Phase4，LifetimeMaihegameplanthatwillkeepthosebanishedpoundsatbayfortherestofyourdays。

&eonecrucialfactthatyoushouldalinmind:ForpeoplewhoplyhasesofAtkins，failuretomailossisveryrare。

4。Notokinsnotdepriveyouofthepleasureofeating，itenergizesyouandmakesyoufeeljustplaingood。Ahielyfakeepioff，becausefewpetogobacktofeelinglousyohey'veexperiehejoysoffeelinggood。Asamatteroffact，forabouthalfthepatiehemostpelliheyuetodoAtkinsisthattheyfeelnoticeablyworseiftheystram。

Plus，whenyouarefully，youaremoreioexerhalfattissuewithmuscle，whichyoueasurements。Peoplewillseetheyou，enhangyoursenseofaenta。

5。Theplahy。Researchhasrepeatedlydemogteisinimprovedbloodcholesterlyceridelevels，moderationofblood-sugarlevelsaionofbloodpressure。Alltheseindicatorsresultinreducedriskforcardiovasculardisease。Aally，inmyfortyyearsofpractice，I'veyettoseeasihathasshoroteicauseskidneyproblems。

Inaddition，Atkiivelyandquicklymakeapositiveimpaaonapatieheprivacyoftheirdoctor'soffiallmyyearsofpractice，I'veheardaall:fatigue，irritability，depressiorating，headania，dizziandmuscleaches，heartburn，colitis，premenstrualsyerretentionandbloating。Forthelion'sshareofpatients，Atkinsisaspecificpresagainstsuchills。

6。Atkinsworksbecause，asaningbodyofstificeshows，itcorrectsthebasicfactorthattrolsobesityandinfluencesriskfactorsforillfactorisexcessivelevelsofinsuliialhormone，insulihebasiismbywhichthebodylaysonfat。Whenfoundinexcessivelyhighlevels—wemedicalfolkcallthatstatehyperinsulinism—insulinvigorouslypromotesthedevelopmentofdiabetes，athetosclerosisaensioly，ithasalsobeeoincreasedriskofbreastdpolycystisyndrome。

Akinsapproadsitselfattheterofhealthplanningfandvigorouslife。

What&#WithCarbohydrates?

Ifyoumeanwhat&#earofbroccoliorabunaswerisnothing，they&#foods。Wheivelyofcarbohydrates，I&#totheuhyohintiesugarbowlandthebinofwhiteflwithmilk，whiteridprodrefinedfoodsofallkinds。Ialsomustirates，suchasfruitjuices。

DurilossphaseofAtkins，evenyouriehycarbohydratessuchasfruitsandwholegrairolled。Onceyou'vebidadieutoyourextrapounds，youtofruitsaarchestothedegreethattheywon'tupsetyourmetabolismaethegsthatresultigain。Buttherefinedandprocessedfoodsryejustmentionedsimplyaren'tgoodforyou—-ever。

AmIadvogahigh-fatdiet?Notinthelongrun。Asyouihepertageofcarbohydrates，whileadvangthroughthedifferekiageandactualamountoffatyouewilldiminish。Hasyouareatthelowerendofcarbohydrateptioptiohreattoyourhealth。

AShortHistoryLesson

&meassureyouthateati，fishandfowlisn'tahealthhardship—it'swhathumaenformillionsofyears。Peopleatemuchthesamewayihtury。Theywerebeefaersandtheiruseswasued。Infact，thetwomostwidelyedfatsofallwerelardaallow。

Inthecrucialsixty-yeartimespaween1910and1970，whenaryheartdiseaseescalatedfromayet-tnizedproblemtothekillerofmorethaion，thisiseoAmerica'sdiet:Theintakeofanimalfatauallydroppedalittle，whiletheintakeofcholesterolwasnotged。Meaakeofrefinedcarbohydrates（mainlysugar，syrupandwhiteflour）escalatedbysixtypert?（Seethegraphsonpage27。）

Touandhowthehumaoftheworld'sdevelopedtrieshasgedsodrastithelasttury，let'stakeashorthistoricaldetour。Eveheoofagriculture，thehumananimalwasable，formilliooremainstrohyinsofofteiohefishandanimalsthatscamperedandswamaroundhim，asaablesagrewhoutmedie，withoutexpertise，withoutinsulatedhousingorreliableheating，ourspeethelesssurvived。Thefactthatthedietarysideofourprimitivelifestylewasenormouslyhealthyundoubtedlyhelpedus。

Sowhathascausedtheavalaivediseasesthathehealthofourspecies?Twohuheaveragepersohan10poundsofsugarayear，andwhiteflourwasusedmuonly。Aboutahuehelidblewoffthesugarister。Ihecrazeforcessweptthenation—-whisthaterethirstyaer，wegotsugaraswell。Tomakemattersworse，themillsthatcouldrefiowhite，nutritionallybarrenflourweredevelopedinthesamedecade。

Thatwasbadenough。Butwhat'sworse，oflourmetupwithsweetnessahejunkfoodindustrywas。

ThePerilsofSugar

&resultwasthatsugarintake，whichhadaveraged12poundsayearperpersonin1828，washatioo，thatifyoudon'ttakeyht，you'llfinditalreadysprioathousafoodsandbeveragesbeforetheyetoyourtable。