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研究:孩子飲食健康 學(xué)習(xí)成績優(yōu)異

放大字體  縮小字體 發(fā)布日期:2008-04-19
核心提示:Kids who eat better perform better in school, a new study of Nova Scotia fifth-graders confirms. Kids who eat better perform better in school, a new study of Nova Scotia fifth-graders confirms. Students who ate an adequate amount of fruit, vegetable


    Kids who eat better perform better in school, a new study of Nova Scotia fifth-graders confirms.
 
    Kids who eat better perform better in school, a new study of Nova Scotia fifth-graders confirms.

    Students who ate an adequate amount of fruit, vegetables, protein, fiber and other components of a healthy diet were significantly less likely to fail a literacy test, Dr. Paul J. Veugelers of the University of Alberta in Edmonton and colleagues found.

    While a healthy diet is generally assumed to be important for good school performance, there has actually been little research on this topic, Veugelers and his colleagues note. To investigate, they looked at 4,589 fifth-graders participating in the Children's Lifestyle and School-performance Study, 875 (19.1 percent) of whom had failed an elementary literacy assessment.

    The better a student's eating habits based on several measures of diet quality, including adequacy and variety, the less likely he or she was to have failed the test, the researchers found, even after they adjusted the data for the effects of parental income and education, school, and sex. Eating plenty of fruit and vegetables, and getting fewer calories from fat, was also associated with a lower risk of failing the test.

    To date, Veugelers and his team say, most research on diet and school performance has focused on the importance of eating breakfast, as well as the ill effects of hunger and malnutrition.

    "This study extends current knowledge in this area by demonstrating the independent importance of overall diet quality to academic performance," the researchers conclude.

    (加拿大)一項(xiàng)對新斯科舍省五年級小學(xué)生開展的研究證實(shí),飲食習(xí)慣好的孩子學(xué)習(xí)成績也比較好。

    加拿大埃德蒙頓亞伯達(dá)大學(xué)的鮑爾•J•維格勒博士及其同事發(fā)現(xiàn),飲食健康,攝入足量水果、蔬菜、蛋白質(zhì)和纖維等營養(yǎng)成分的學(xué)生讀寫測試不及格的可能性較低。

    維格勒及其同事指出,大家都想當(dāng)然地認(rèn)為健康的飲食對于孩子的學(xué)習(xí)成績很重要,但實(shí)際上有關(guān)這一問題的研究卻很少。為了弄清這一問題,研究人員對4589名五年級學(xué)生開展了一項(xiàng)“兒童生活方式與學(xué)習(xí)成績”的研究,其中有875名學(xué)生未通過小學(xué)讀寫水平測試。

    研究人員發(fā)現(xiàn),飲食習(xí)慣較健康的學(xué)生考試不及格的幾率較小,在綜合考慮學(xué)生父母的收入及教育程度、就讀學(xué)校和性等因素的影響后得出的結(jié)論也是如此。學(xué)生飲食習(xí)慣的健康與否主要以飲食質(zhì)量的幾個(gè)指標(biāo)為依據(jù),其中包括所攝入食物的量和種類。此外,研究發(fā)現(xiàn),在攝入大量水果蔬菜和較少高脂肪食品的情況下,學(xué)生讀寫測試不及格的幾率也會降低。

    維格勒及其研究小組稱,目前有關(guān)兒童飲食與學(xué)習(xí)成績的多數(shù)研究主要著眼于吃早餐的重要性,以及饑餓和營養(yǎng)不良可能導(dǎo)致的后果。

    研究人員得出結(jié)論:“該研究展示了總體飲食質(zhì)量對孩子學(xué)習(xí)成績的獨(dú)有重要性,是對這一領(lǐng)域現(xiàn)有研究成果的進(jìn)一步拓展。” 

 

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關(guān)鍵詞: 飲食 健康 成績 優(yōu)異
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