大学英语四级美文欣赏：含糖饮料或使味蕾变迟钝思维导图

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大学英语四级美文欣赏：含糖饮料或使味蕾变迟钝思维导图

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2023-03-17 14:32:28

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　　Consuming just two sugarydrinks a day can dull the taste buds and lead to cravings for high-calorie food, a study claims. 　　The research suggests that within a month those who d

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大学英语四级美文欣赏：含糖饮料或使味蕾变迟钝思维导图模板大纲

Consumingjusttwosugarydrinksadaycandullthetastebudsandleadtocravingsforhigh-caloriefood,astudyclaims.

Theresearchsuggeststhatwithinamonththosewhodrinksugarybeveragesareleftwithadulledsensitivitytosweettastes.Thisleadstoanincreasedpreferenceforhigh-calorieandsugar-ladenfoods,creatinga"viciouscycle"asconsumerslookfortheirnexttreat.

Thosewhodonothaveasweettoothareparticularlyatriskofdevelopingoneafterdrinkingsugarybeverages,eveniftheyareslimandactive.

ExpertswhocarriedouttheresearchattheuniversitiesofBristolandBangorexpressedsurpriseathowquicklytastescouldbedulledbyexposuretosweetdrinks.LucyDonaldson,oftheUniversityofBristol,said:"Wehaveknownforsometimethatthewayweperceivedifferenttastescanchangeunderdifferentcircumstances.Findingthattwosweetdrinksadayoverashorttimecandramaticallychangetastewasarealsurprise."

Inthetrialleanandobesepeopleratedtheirperceptionandenjoymentofsweetandsaltytastes.Theobeseparticipantstendedtorateidenticaldrinksaslesssweetthantheleanonesdid.

Theexpertsthenrecruitedonlyleanpeoplewhodidnotusuallyconsumesugarydrinks.Theirsensitivitytosweetdrinkswastestedandtheywereaskedtoconsumeasugarydrinktwiceaday.Amonthlater,whentheywerere-tested,theirsensitivitytosweettastesandconsciousenjoymentofthemhaddulled.

DrHans-PeterKubis,oftheUniversityofBangor,saidthedullingoftastebudscanleadtoa"viciouscycle"asconsumersofsugarydrinkstendtomoresweetandcalorie-ladenfoodtocompensate.

Hesaid:"Thishasseriousimplicationsforpublichealth.Thisresearchshowshowlittlesweetfoodstuffsarerequiredtoactuallychangeyourtasteperceptions,andhowpowerfulsweet-tastingproductsare.

"Weareheadingforahealthdisasterwithrisingobesitylevelsandtheincreasingincidenceoftype2diabetes.Fromourresearchitiscleartoseehowthissituationmayhavecreatedacycleofsweetfoodanddrinkconsumption.Astastesatisfactionlevelsdrop;themoresweetfoodsareconsumed,contributingtotheseproblems."