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【新地平线英语】(第三册)铁质与运动的关系(3/8)

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发表于 2016-8-2 13:37:49 | 显示全部楼层 |阅读模式
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        而且,由于女性常常为了控制体重而节食,从而未能摄取足够的含铁丰富的食物,结果可能导致缺铁。。。
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And because women often restrict their diet in an effort to control weight, they may not consume enough iron-rich food, and are liable to experience a deficiency.
"The average woman takes in only two thirds of the recommended daily allowance of iron," notes another expert. "For a woman who already has a poor iron status, any additional iron loss from exercise may be enough to tip her over the edge into a more serious deficiency," notes the expert.
Exercise can result in iron loss through a variety of mechanisms. Some iron is lost in sweat, and, for unknown reasons, intense endurance exercise is sometimes associated with bleeding of the digestive system.而且,由于女性常常为了控制体重而节食,从而未能摄取足够的含铁丰富的食物,结果可能导致缺铁。
另一名专家指出,“普通女性每天摄入的铁只是应摄入量的三分之二。”他指出,“对于那些已经缺铁的女性,任何因锻炼而产生的更多铁质流失都足以导致体内缺铁状况的恶化。”
运动可能通过多种机制导致铁流失。有些铁随汗液流失。另外,由于某些未知的原因,高强度的耐力运动有时会引起消化系统内出血。
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