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1、JunkfoodCheetosTheLutherBurger,abaconcheeseburgerwhichemploysaglazeddonutinplaceofeachbun.Junkfoodisaninformaltermappliedtosomefoodswithlittleornonutritionalvalue,ortoproductswithnutritionalvaluebutwhichalsohaveingredientsconsideredunhealthywhenregularlyeaten,ortothosecons
2、ideredunhealthytoconsumeatall.ThetermwascoinedbyMichaelJacobson,directoroftheCenterforScienceinthePublicInterest,in1972.[1]Factorscontributingtolabelingasjunkfoodarehighlevelsofrefinedsugar,whiteflour,transfatandsaturatedfat,salt,andadditivessuchaspreservativesandcoloringa
3、gents.Othersincludelackofproteins,vitamins,fiberandothernutrientsforahealthydiet.Somefastfoodispopularbecauseitisinexpensiveandresistanttospoilage.Theseproductsmayalsobepopularwithconsumersbecausetheyarewidelyavailable,requirelittlepreparation,andareeasyorespeciallyfuntoco
4、nsume.Junkfoodisassociatedwithhealthproblemsincludingobesity,heartdisease,Type2diabetesanddentalcavities.Problemswithfastfoodmaynotbeapparenttochildren,henceadvertisingaimedatchildrenhascomeundercriticism.[citationneeded]ClassificationWhatconstitutesjunkfoodmaybeconfusinga
5、nd,accordingtocritics,includeselementsofclasssnobbery,culturalinfluenceandmoraljudgement.[citationneeded]Forexample,fastfoodinNorthAmerica,suchasashamburgersandfrenchfriesfromcompanieslikeMcDonald's,KFCandPizzaHut,areoftenperceivedasjunkfood,whereassimilarmealssuppliedbymo
6、reup-marketoutletssuchasCaliforniaPizzaKitchenorNando'smaynotbe,despiteoftenhavingthesameorworsenutritionalcontent.[1]Somefoodsthatareconsideredethnicortraditionalarenotgenerallyconsideredjunkfood,suchasfalafel,gyros,pakora,gyozaorchicharron,thoughthesehavelittlenutritiona
7、lvalueandareusuallyhighinfatfrombeingfriedinoil.[citationneeded]Otherfoodssuchaswhitericeorroastpotatoes[citationneeded]arenotconsideredjunkfooddespitehavinglimitednutrientscomparedtowholegrainfoods.Similarly,breakfastcerealsmayberegardedashealthy,butmayhavehighlevelsofsug
8、ar,saltandfat.[2]HostessTwinkiesSomechipsorcrispsmaybeharmfulbecausetheymaycontainsaturat
