cancer癌症英语介绍演讲

WhatiscancerDefinitionCancerisalsoknownasmalignanttumor(恶性肿瘤),bythecontrolofcellgrowthproliferationmechanismofarrhythmiacausedbydisease.Cancercelldivisionandgrowthrateishigherthannormalcells,andoftencanbetransferredtootherorganizations.Becauseallkindsofreasonsmakehumanbodycellelectronicrobbed,causegeneticmutations(基因突变),thusformlotsofcancercells,andfinallyappearcancer.Thecauseofcancer1.Thephysical,chemical,biologicalandothercarcinogenicfactorsUltraviolet(紫外线);ionizingradiation（电离辐射）Nitrite（亚硝酸盐）Dioxin（二恶英）ThecauseofcancerHBV（乙肝病毒）；BiologicalagentssuchasFumaricacid(富马酸)andPhenol(苯酚)Thecauseofcancer2.TheinternalfactorsofcancerimmunologicfunctionHeredityEndocrinedisordersThecauseofcancerMentalfactorsDepressionAngerThecauseofcancer3.Dietandnutritiondisorders；badhabitsSmokingExcessivedrinkingThecauseofcancer3.Dietandnutritiondisorders；badhabitsHotfoodMeatwithoutcookingThecharacteristicsofthecancercells1.Thecancercellsendlesssplit,makethepatients’bodiesnutrientsaremassconsumption.2.Thecancercellsreleasemanytoxins,makehumanbodytoproduceaseriesofsymptoms.3.Cancercellscantransferthroughoutthebodygrow,bringabouthumanbodyweight,weakness,anemia,lossofappetite,feverandseriousviscerafunctiondamaged,andsoon.ThepresentsituationofthecancerTheWHOinternationalcancerresearchcenterhasannouncedastudyreportsaid,accordingtothecurrenttrendofcancer,in2020,theworldcancerrateswillincrease50%thannow,globalnewcancercaseseveryyeartherewillbeupto15millionpeople.ThenumberofnewcasesofcancereachyearinChinaabout1.8to2million,thedeathofabout1.4to1.5million,andthenumberisinthecontinuedtorise.The20%oftheworld'snewcasesofcancerpatientsinChinaand24%ofthepatientsdiedofcancerinChina.Atpresentourcountryeverydeath5people,1peopledieofcancer.HowtopreventcancerEatlesspicklesDon'teatthefoodofthemildewHowtopreventcancerEatlesssmokedandFriedfoodHowtopreventcancerNoSmokingHowtopreventcancerDevelopgoodeatinghabitsToeatmorefreshfruitEatfreshvegetablesHowtopreventcancerHowtopreventcancerPayattentiontothehealthdrinkingwaterHowtopreventcancerDomoreexercisesHowtopreventcanceror?YouneedtopayattentiontorestHowtopreventcancerLearntoreducedpressureandkeepgoodstateofmind