癌癥與營養(yǎng)presentation課件

Nutrition&Cancer＆YourHealth

From：陳佳婧Whatismytopictalkabout？Walkthroughthebasicsofnutrition,howeatingdisordersdevelop,andlearnthebenefitsofvariousdiets.CONTENTSTheCancerFoodandCancerHealthfulNutrition

BasicNutritionTypesofNutrientsMacro-Nutrients–essentialforhumansurvivalandgrowthCarbohydrates（糖類）

Proteins（蛋白質(zhì)）FatsWaterMicro-Nutrients–essentialforgrowthandenhancethefunctionandusabilityofmacro-nutrientsVitaminsMinerals（礦物質(zhì)）Thedifferencebetweenmacroandmicronutrientsistheamountyourneedeachday.Macro-nutrientsmustexceedonegramperday.CarbohydratesProvideenergyforyourbodybyconvertingtoglucose.Threetypesofcarbohydrates:Simple–oneortwounitsofsugarComplex–morethantwounitsofsugarDietaryfiber–complexcarbohydratesthatarenotasourceofenergyandaddnocaloriestoyourdiet.Protectyourmuscles.Regulatetheamountofsugarcirculatinginyourbody.Assistinthebody’sabsorptionofcalcium.Mayhelplowercholesterollevelsandregulatebloodpressure.ProteinsUsedfortissuegrowthandrepair.TwotypesofProteins:CompleteProteins–containsufficientamountsofallessentialaminoacids.IncompleteProteins–missingordonothaveenoughessentialaminoacids.AminoAcidsarethebuildingblocksforprotein(20differenttypes).Withinsixmonths,everyproteinmoleculeinyourbodyisbrokendownandreplaced.Themoreintenselyyoutrain,themoreproteinisrequiredforrepairandgrowth.Consumingmoreproteinthanthebodyneedscanresultinanincreaseinfatstorage.

FatsAhealthybodyneedsfat.MajorusesforFATProvidesasourceofstoredfat.Givesshapetoyourbody.Cushionsyourskin.Actsasaninsulatorinordertoreduceheatloss.Protectsyourorgansifyoufallorareinjured.WaterYouroverallbodyisbetween70-80%water.Yourmusclesareabout75%waterYourbodyneedswaterto:DigestfoodCarrywasteproductsoutofyourbodyRegulatebodytemperatureLubricatemovingpartsYourbodydoesnotstorewatersoyoumusttakeinanewsupplyeveryday.TheNationalResearchCouncil’sFoodandNutritionBoardrecommendsonemilliliter(ml)ofwaterforeachcaloriesoffoodweconsume.CancerThetermcancerincludesagroupofneoplasticdiseasesinwhichthereisachangeofnormalbodycellsintomalignantonesThismostlikelyinvolvessomechangeinthepersons’geneticmaterial(DNA/RNA)Thesechangedcellspassonthis“incorrect”informationtotheiroffspringandgrowinanstrangeanddestructivewayCurrentAdviceWestilldonotknowwhattoeattodecreaseourriskofcancerHealthyeating,followingEatingWellwithCanada’sFoodGuidewillprovidemanyhealthbenefits.However,eliminatingoraddingspecificfoodswillunlikelyhaveasubstantialimpactoncancerdeaths.PartFoodandCancerThreeHowareFoodandCancerRelated?Effectsofthecanceritself—JustbyhavingcanceryouhavehighernutritionalneedsEffectsoftreatment—SideeffectsoftreatmentTheseinclude:nausea,vomiting,tastechange,drymouth,thicksaliva,poorappetite,wasting,diarrhea,constipationAretherefoodsthatcausecancer?saltedfish（咸魚）咸魚產(chǎn)生的二甲基亞硝酸鹽，在體內(nèi)可以轉(zhuǎn)化為致癌物質(zhì)二甲基亞硝酸胺。蝦醬、咸蛋、咸菜、臘腸、火腿、熏豬肉同樣含有致癌物質(zhì)，應(yīng)盡量少吃Barbecue（燒烤）烤牛肉、烤鴨、烤羊肉、烤鵝、烤乳豬、烤羊肉串等，因含有強(qiáng)致癌物不宜多吃。Aretherefoodsthatcausecancer?Ham+Sourmilkbeverage（火腿+乳酸飲料）三明治中的火腿、培根等和乳酸飲料一起食用易致癌。為了保存肉制品，食品制造商會添加硝酸鹽來防止食物腐敗及肉毒桿菌生長。當(dāng)硝酸鹽碰上有機(jī)酸時(shí)，會轉(zhuǎn)變?yōu)橐环N致癌物質(zhì)亞硝酸胺Areca（檳榔）

嚼食檳榔是引起口腔癌的一個(gè)因素。Aretherefoodsthatcurecancer?Pumpkin（南瓜）含極豐富的維生素A、維生素C，還含有鈣質(zhì)和纖維素、色氨酸－P等，可預(yù)防肥胖、糖尿病、高血壓和高膽固醇血癥，是預(yù)防癌癥的好食品。Sweetpotato（紅薯）含有較多的胡蘿卜素、賴氨酸、植物纖維、去氫表雄酮，能預(yù)防腸癌和乳腺癌Aretherefoodsthatcurecancer?Corn（玉米）其營養(yǎng)價(jià)值超過面粉、大米，經(jīng)常食用能預(yù)防動脈硬化、心腦血管疾病、癌癥、高膽固醇血癥、高血壓等病。Balsam（苦瓜）苦瓜的抗癌作用是由于它含有一種類奎寧蛋白，能激活免疫細(xì)胞的活性，苦瓜種子中含有抑制細(xì)胞侵襲、轉(zhuǎn)移的成分。PartHealthfulNutritionFourWhatshouldIeatbeforeaworkout?WhatshouldIeatafteraworkout?HowdoIeatout?

HealthfulNutritionWhatshouldIeatbeforeaworkout?

Theselasttwotopicsareminordetailsthatwerecommendyoudon’tworryaboutuntilyouhaveallyourothernutritiondecisionscorrect.Ifyouareworriedaboutpreandpost-workoutnutritionandtimingbutyou’restillhavingasliceofbananabreadandsaltinecrackersforlunchthenyou’recompletelyputtingthecartbeforethehorse.Getthebasicsrightfirstandthenletthedetailsfollow.Soontotheanswer…Foroptimumperformance,inthe24hourspriortoaworkoutyoushouldeatZoneproportionmealsfromcleanfoodsources,justaswerecommendyoueateveryday.Theonlyrealquestioniswhatvolumeoffoodshouldyoueatpriortoaworkout,andtheanswerisuniquetoeveryathlete.Almostnobodypreferseatingimmediatelypriortoaworkout,inthe30minutesorlessbefore3,2,1,GO!Mostathleteseatanhourormorepriortotheworkout.SomeathletesfindtheymustfastlongerpriortotheWODinordertoavoidnausea.However,yourperformancewillsufferifyoudon’tconsumesomefuelbeforetheWOD,somakesureyou’veeatenaqualitymealsometimeinthe1-3hoursprior.Onlyexperimentationandfindingwhatworksforyouwillyieldtheanswer.

WhatshouldIeatafteraworkout?

ThetwothingsyouabsolutelyneedafteryourworkoutareA.Fastabsorbingcarbohydrate(fruits,berries,sweetpotatoes,rice,evensugar)B.Fastabsorbingprotein(wheyproteinoreggproteinispreferable)

Oneeasywaytogetbothofthesecomponentsisthroughapost-workoutshakeusingaproteinpowderlikeProgenexRecovery.Manycompaniesmakegreatpost-workoutproducts.Progenexisaverypopularbrandthatiseffectiveandtastesgreat.Forthisreason,westockandsellProgenexatCrossFitImpulse.Wewanttomakeiteasyforyoutogetproperpost-workoutnutrition,becausethatwillamplifyyourresults.Foranaveragesizedmanyourpost-workoutshakeshouldcontainatleast21gramsofproteinand36gramsofcarbohydrate.Smallerorlargerathletescanscalethosenumbersaccordingly.Youalsomayhavetomixdifferentproductstogetthatparticularcarbandproteinmix.Forexample,ProgenexRecoverywouldneedcarbohydrateaddedfromanothersourcetoachievethatmix.HowdoIeatout?

Makinghealthychoicesatarestaurantisn’tdifficult.Planyourmealaroundyourproteinsource.Youwantaqualityportionofproteinaboutthesizeofthepalmofyourhand.Thenchoosehealthycarboptionstomatch.Fruitsandvegetablesaregreatchoices.Forexample,a6ozsteakwithasideofbroccoliisanexcellentchoice.AtaMexicanrestaurantyoumightlikefajitaskirtsteakwithsomericeandguacamole.