经济学人精读丨抗生素的危害

一个多世纪以前，人们发现了抗生素，并用于疾病治疗，自此，人们有了和死神抗争的一大武器。但随着时代的推进，人们不断发现了它的弊端：一方面，抗生素会养成抗药性极强的“超级细菌”，使人类再次暴露在普通感染的风险之中；另一方面，抗生素无法识别有益菌和有害菌，会导致人体菌群失衡，永久性的破坏免疫功能和神经系统。近期，《经济学人》Espresso中就有篇短新闻讲到了抗生素的危害，我们一起来看一下：①Antibiotics were life-savers when they became available. ②Today, they are becoming killers. ③The more any antibiotic is used, the greater the chances that bacteria will develop resistance that renders it ineffective. ④Some 700,000 people succumb to antibiotic-resistant infections every year. ⑤If trends continue, th ………………………………