Environment-Population: Difference between revisions
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===== Humans could face reproductive crisis as sperm count declines, study finds ===== | |||
[https://www.theguardian.com/society/2022/nov/15/humans-could-face-reproductive-crisis-as-sperm-count-declines-study-finds by Nicola Davis 15/11/22 The Guardian] | |||
A study published in the journal Human Reproduction Update, based on 153 estimates from men who were probably unaware of their fertility, suggests that the average sperm concentration fell from an estimated 101.2m per ml to 49.0m per ml between 1973 and 2018 – a drop of 51.6%. Total sperm counts fell by 62.3% during the same period. | |||
===== Falling sperm counts 'threaten human survival', expert warns ===== | ===== Falling sperm counts 'threaten human survival', expert warns ===== | ||