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GENETICALLY MODIFIED FOODS: Are They Safe?

- Are genetically modified crops an environmental dream come true or a disaster in the making? Scientists are looking for answers

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ÈËÃǶԻùÒò¸ÄÔìʳÎïµÄ̬¶È£¬ËƺõÓú The world seems increasingly À´Óú±ÚÀÝ·ÖÃ÷£¬Ò»±ßµÄÈËÖ§³Ö£¬ÁíÒ»divided into those who favor ±ßµÄÈËÔòÊÇη¾å¡£Ö§³ÖÕßÐû³Æ£¬ÖÖÖ²genetically modified (GM) foods and »ùÒò¸ÄÔì×÷Îï¶Ô»·¾³É˺¦½ÏС£¬¶øÊ³those who fear them. Advocates ÓÃÕâÖÖÅ©×÷ÎïÖÆ³ÉµÄʳƷҲÍêÈ«ÎÞ

assert that growing genetically

º¦¡£ËüÃÇ»¹Ëµ£¬»ùÒò¹¤³ÌÈÃÅ©×÷ÎïÔÚaltered crops can be kinder to the ƶñ¤µÄÍÁµØÉÏÒ²ÄÜÉú³¤£¬»ò¿ÉÅàÓý³öenvironment and that eating foods .רҵ.ÕûÀí.

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¸üÓªÑøµÄʳÎï¡£ÔÚ²»¾ÃµÄδÀ´£¬È«Çòfrom those plants is perfectly safe. È˿ڿìËÙÅòÕÍ£¬»¹µÃ¿¿Õâ·½·¨½â¾öÁ¸And, they say, genetic engineeringʳÎÊÌâ¡£³Ö»³ÒÉ̬¶ÈÕßÔò·´²µ£¬»ùÒò£­which can induce plants to grow ¸ÄÔì×÷Îï¶ÔÉú̬»·¾³»òÈËÌ彡¿µ¶¼ÓÐin poor soils or to produce more ¼«´óµÄ·çÏÕ£¬ÁîÈËÓÇÐÄ£¬²»¸ÃóȻ½Ónutritious foods£­will soon become ÊÜ¡£Ðí¶àÅ·ÖÞ¹ú¼Ò±§³ÖÕâÖÖ̬¶È£¬Òòan essential tool for helping to feed ¶øÏÞÖÆ»ùÒò¸ÄÔì×÷ÎïµÄÖÖÖ²ÓëÊäÈë¡£the world's burgeoning population. Ö÷ÒªµÄÕùÒ飬¼¯ÖÐÔÚ»ùÒò¸ÄÔìʳÎïµÄSkeptics contend that GM crops °²È«ÐÔ¡£È»¶ø£¬×î½üµÄ¿ÆÑ§Ñо¿ÓÖÊÇcould pose unique risks to the ÈçºÎ¿´´ý»ùÒò¸ÄÔìʳÎïµÄΣÏÕÄØ£¿´ðenvironment and to health£­risks °¸£¬ÍùÍùÃÔʧÔÚ¸÷ÖÖ±¨µ¼µÄÕùÒéÖУ»too troubling to accept placidly. µ«ÊÇÔÚ½ÓÏÂÀ´µÄƪ·ùÀËüÃǽ«³ÊÏÖTaking that view, many European ÔÚÄãµÄÑÛǰ¡£

countries are restricting the planting and importation of GM agricultural products. Much of the debate hinges on perceptions of safety. But what exactly does recent scientific research say about the hazards? The answers, too often lost in reports on the controversy, are served up in the pages that follow.

.רҵ.ÕûÀí.

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Á½Äêǰ£¬Ò»ÈºÉú̬º§¿Í³å½øËÕ¸ñ Two years ago in Edinburgh, À¼°®¶¡±¤µÄÒ»¿éÅ©Ìµ·»ÙÁËÖÖÖ²µÄScotland, eco-vandals stormed a ÓͲˡ£È¥Ä꣬ÃÀ¹úÃåÒòÖÝÒ»´¦°×ÑîÊ÷field, crushing canola plants. Last ʵÑéÁÖÔâ¡°Ò¹°ëͻϮ¶Ó¡±´³È룬¿³µ¹ÁËyear in Maine, midnight raiders Èýǧ¶àÖêÊ÷¡£ÔÚ¼ÓÖÝÊ¥µØÑÀ¸ç£¬¿¹Òéhacked down more than 3,000 ÈËÊ¿ÆÆ»µÁ˸ßÁ»×÷Î²¢ÇÒÔÚÎÂÊÒµÄexperimental poplar trees. And in ǽÉÏÅçÆáʾÍþ¡£

San Diego, protesters smashed

ÕâЩ±©Ðж¼ÊÇÕë¶Ô»ùÒò¸ÄÔì×÷Îïsorghum and sprayed paint over ¶øÀ´µÄ£¬µ«ÊÇ¿¹ÒéÈËÊ¿µÄÐж¯ÊÊµÃÆägreenhouse walls.

·´£¬ÒòΪËûÃÇËùÆÆ»µµÄ£¬È«¶¼ÊÇ´«Í³ This far-flung outrage took aim Å©×÷Îï¡£ÔÚÿ¸ö°¸ÀýÀÄÇЩÐж¯ÅÉat genetically modified crops. But ¶¼°ÑÒ»°ã×÷ÎïÎóÈÏΪ»ùÒò¸ÄÔì¹ýµÄÆ·the protests backfired: all the ÖÖ¡£

Ô­Òò²»ÄÑÀí½â¡£ÊÀ½çÉÏÒÑÓÐ4400Íò¹«ÇêÍÁµØ£¨Ï൱ÓŲ́ÍåÃæ»ýµÄ12.3±¶£©ÖÖÖ²ÁË»ù¸Ä×÷Î¿ÉÊÇ

destroyed plants were

conventionally bred. In each case, activists mistook ordinary plants for GM varieties.

´Óij¸ö½Ç¶ÈÀ´¿´£¬ÄÇЩ×÷Îï¶¼ÊÇÒþÐÎ It's easy to understand why. In a µÄ¡£Ö²ÈëÅ©×÷ÎïµÄ»ùÒò£¬ÄãÒ»¸öÒ²¿´way, GM crops£­now on some 109 ²»¼û¡¢³¢²»³ö¡¢Ãþ²»×Å£¬»ò²ì¾õËü¶Ômillion acres of farmland worldwide»·¾³µÄÓ°Ïì¡£¹âƾÍâ¹Û£¬ÄãÎÞ´ÓÖªµÀ£­are invisible. You can't see, taste º¬ÓÐÍâÔ´»ùÒòµÄ»¨·ÛÁ£ÊÇ·ñ»á¶¾º¦µûor touch a gene inserted into a plant ¶ù£¬»òÊÇ´«²¥µ½¼¸¹«ÀïÍâʹÆäËûÖ²Öêor sense its effects on the

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