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发表于 2010-3-18 16:35
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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....at...the researchers studied the diets of 31 thousand children ages 2-18 over a 30 year period they found that snacking has increased since the 1970s , and what kind of snacks have increased the most salty high fat foods 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 joural health affairs,nutrition professor .,was the lead investigater ,he says parents should limit snacks to one a day for children age 6 and older ,he also advised parents and caregivers to provide healthy snacks like fruits and vegetabeles professor ,,, says 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 lunch choices and fewer sugarydrinks earlier this month ,cocacola said it would stop selling sugary drinks in american schools unless parents requested them,its competitors at ,,just announced that they will stop sales of sugared drinks to schools worldwide .america't top public health officer wants to see more changes like this ,surgeon general ,,,recently spoke to lawmakers about making healthy foods more available.there is a growing consensus that we as a nation need to recreate our own communities and environments wherehealthy choices are the easy choices and the affordable choices ,agriculture secretary....who has talked about his own childhood struggles with weight ,agrees about the need we need to do a much better job of makingsure what's in those vending machines is very consistent we think the time has come for standards first lady ,,,obama is leading a champaign to fight child obesity public health officials reported in january that 17 percent of american children are severely overweight
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