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请用英文概括一下这段主要说的什么内容...
No part of the world,no matter how remote,is immune from empry calories.Over the course of 30 years,the native population of Samoa has fallen victim to rampant weight gain-today more than half its residents are clinically obese.James Bindon,a biological anthropologist at Alabama University,traced one of the causes to a fondness for tins of corned beef imported from England.Similar trends have been observed in Fiji."Where in the past they produced their own fruits andvegetables,now they are swamped with canned soda and mutton fat imported from New Zealand",says Yach of WHO."Call it the Coca-Colafication of the Pacific islands."
No part of the world,no matter how remote,is immune from empry calories.Over the course of 30 years,the native population of Samoa has fallen victim to rampant weight gain-today more than half its residents are clinically obese.James Bindon,a biological anthropologist at Alabama University,traced one of the causes to a fondness for tins of corned beef imported from England.Similar trends have been observed in Fiji."Where in the past they produced their own fruits andvegetables,now they are swamped with canned soda and mutton fat imported from New Zealand",says Yach of WHO."Call it the Coca-Colafication of the Pacific islands."
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