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Overpopulation can impair fertility. A new study explains why

Posted on May 21, 2026
By Bing News
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1 min read

Overpopulation can impair fertility. A new study explains why

Scientists have reported it for decades: overpopulation can impair reproduction. Crowded chickens lay fewer eggs. Crowded mice have smaller broods. In humans, several studies have associated increased population density with reduced fertility.