1. But these terms have always been just words, affecting someone else's world, like a passing ambulance.
    但是这些字眼一直只不过是些字眼而已，就像一辆驶过的救护车，影响的只是别人的世界,

2. But the ratio is even greater among active women, affecting up to 80 percent of female endurance athletes.
    而这一比例在积极锻炼的妇女中数值更高，女耐力运动员中缺铁的则高达80%。

3. 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.
    缺铁在多数女性中是很常见的，十多岁的少女四人中有一人缺铁，18至45岁的女性五人中有一人缺铁。

4. Factors affecting general health include excessive smoking and drinking of alcohol and polluted water supplies.
    影响大众健康的因素包括吸烟过度、酗酒以及饮水污染。