Genetically-modified-food转基因食品利弊

Currentlytherehasbeenmuchcontroversyovergeneticallymodifiedfood,witheachsideofferingconvincingevidence.Thoseinfavorofthiskindoffoodclaimthattheyoffervariousadvantages.Firstly,geneticallymodifiedcropshavenaturalresistanceagainstpestsandinsectsandsolesspesticideandinsecticideneedtobesprayedonthem,whichwillreducetheriskofexposingthemtoharmfulchemicals.Secondly,geneticallyengineeredcropscanbegrownatplaceswithunfavorableclimaticconditionswhileanormalcropcangrowonlyinspecificseasonsorunderfavorableclimaticconditions.Thirdly,geneticallymodifiedfoodhasanincreasedshelflifeandsothereislessfearoffoodgettingrottenquickly,whichbringsusmuchconvenience.Ontheotherhand,manypeopleareoftheopinionthatgeneticallymodifiedfoodposesmorethreatsthanbenefits.Thebiggestthreatisthattheycanhaveharmfuleffectsonthehumanbody.Researchshowsthatthealterationsintheplantshavethepossibilityofcausingseriousmedicalproblemsforpeople,whichisyettoclarify.Anotherriskisthatgeneticallymodifiedplantsmaythreatentheexistenceofotherwildplantsintheenvironmentbecausetheygrowstrongerandfasterthannormalplants.Insummary,obviousastheadvantagesofgeneticallymodifiedfoodare,itsdrawbackscanbynomeansbeignored.Accordingly,Iamfirmlyconvincedthatonlywhenalltheill-effectsofgeneticallymodifiedfoodaredealtwithmoderationanddiscretion,canwefullyembraceit.