The sperm count of men in the western world has fallen by more than half over a period of 40 years, according to an international study described by its authors as “an urgent wake-up call” about declining male health.
一份国际研究报告显示，40年来西方世界男性的精子数量已下降了超过一半。报告作者把这个结果描述为对男性健康状况下降敲响的“警钟”。
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