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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 of Chapple Hill.The researchers study the diets of 31 thousand children ages 2 to 18  over  a 30-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 cakes, cookies  and other treats that past generations might have saved for after dinner.The study is in the journal hell the fares.

Nutrition professor Barry Popken was the lead investigator.He says parents should limit  snacks to once a day for children aged six or older.He also advises parents and carekeepers to provide healthy snacks like fruits and vegetables.Professor Popken says that American schools also need to improve their nutrition.For example, schools may have vending machines that offer what many people would consider junk food.There has been a push for schools to offer more healthful snacks and launch 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 competiors at Pepsi just announced that they will stop sales of sugared drinks to schools worldwide.America's top public health officer wants to see more changes like these.Surgen general Regina Bengimen recently spoke to lawmakers about making heathy foods more available.

It is growing consensus that we, as a nation need recreate our communities and our environments where the health choices are the easy choices and the affordable choices.Agriculture secretary Tom Billack who has talked about his own childhoods' struggles with weight agrees about the need.

We need to do a much better job making sure the ** vending machine is very consistent and we think it's the time to come for forstanllerds. First lady Michelle Obama is leading a campaign to fight childhood obesity.Public health officials reported in January that 17 percent of the American children are severely overweight.

And that's the VOA Special English written by Caty Weaver. For more health news and to comment our stories, visit us at voaspecialenglish.com. I am Steve Ember.

This post was generated by put listening repetition system,  Check the original dictation thread!
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