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[report整理] SENEWS-2010-03-17

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[Homework]SENEWS-2010-03-17

This is the VOA special English health report. researchers say American children now eat an average of three snacks a day between meals. A study found that those snacks add up to almost one third of all the daily calories eaten by children. and those extra calories could help explain the rise in overweight children in the United States. The study was done at the university of North Carolina at chap hill. The researchers study the diet of 21,000 children ages 2 to 18 over a 13-year period. They found that snacking has increased since the 1970s. and what kinds of snacks have increased the most --- salty, high fat food like chips. The study also found greater snacking on cake, cookies and other treats that past generations might have saved for after dinner. The study is in the journal health affairs. Nutrition professor   was the lead investigator. He says parents should limit snacks to one a day for children age 6 and older. He also advises parents and the care givers to provide healthy snacks like fruits and vegetables. Professor says American schools also need to improve their nutrition. For example mnay have   machines that offer what many people would consider junk food. There has been a push for schools to offer more healthful snacks and lunch choices and fewer sugary drinks. earlier this month Coca Cola said it would stop selling sugary drinks in American schools unless parents requested them. its competitors at Pepsi just annouced that they will stop sales of sugared drinks to schools worldwide. American's top public health officer wants to see more changes like this. surgeon general  recenlty spoke to law makers about making healthy foods more availabele. The growing consensus is that we as a nation need to recreate our communities and our environment where the healthy choies are the easy choices and the affordable choices. Agricultural Secretary Tom who has talked about his own childhood struggles with weight agrees about the need. We need to do a much better job, making sure within those machines is very consistent and we think that the time has come for standards.First Lady Obama is leading a campaign to fight childhood obesity. Public officals reported in january that 17% of American children are severely overweight. And that's the VOA special English health report by  . For more health news and comments on our stories, visit us at voaspecialenglish.com. I am  .
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