Iron and the Effects of Exercise铁与运动的关系
7页1、Iron and the Effects of Exercise铁与运动的关系Iron and the Effects of Exercise铁与运动的关系 Para 1 Sports medicine experts have observed for years that endurance athletes, particularly females, frequently have iron deficiencies. Now a new study by a team of Purdue University researchers suggests that even moderate exercise may lead to reduced iron in the blood of women. 运动医学专家经过多年的观察,发现耐力运动员,特别是女性,经常会缺铁。普渡大学研究人员进行的一项新的研究表明:即使是适度的锻炼,也可能会降低女性血液中的铁含量。 Para 2 “We found that women who were normally inactive and t
2、hen started a program of moderate exercise showed evidence of iron loss,” says Roseanne M. Lyle, associate professor at Purdue. Her study of 62 formerly inactive women who began exercising three times a week for six months was published in the journal Medicine & Science in Sports & Exercise. “我们发现,那些通常不运动的女性一旦开始适度的锻炼,就会出现铁含量下降的迹象,”普渡大学罗斯安妮M.莱尔副教授说。她对62名妇女进行了研究,并将研究结果发表在体育运动医学与科学杂志上。这些妇女原先不怎么运动,后来开始了为期6个月、每周3次的锻炼。 Para 3 “Women who consumed additional meat or took iron supplements were able to bo
3、unce back,” she notes. “But the new exercisers who followed their normal diet showed a decrease in iron levels.” 莱尔指出:“那些增食肉类食品或服用铁质补剂的女性能够恢复到健康状态。但突然参加锻炼却仍沿用旧食谱的人则显示出铁含量降低。” Para 4 Iron deficiency is very common among women in general, affecting one in four female teenagers and one in five women aged 18 to 45, respectively. But the ratio is even greater among active women, affecting up to 80 percent of female endurance athletes. This means, Lyle says, that “too many women ignore the amount of i
4、ron they take in”. Women of childbearing age are at greatest risk, since their monthly bleeding is a major source of iron loss. Plus, many health-conscious women increase their risk by rejecting red meat, which contains the most easily absorbed form of iron. 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. 缺铁在女性中是很常见的,每四个十几岁的少女中有一人缺铁,每五个18至45岁的女性中有一人缺铁。而在积极锻炼的妇女中这一比例更高,女耐力运动员中,缺铁者比例则
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