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Sperm counts have declined by approximately 50% over the last 50 years by some measures, contributing to falling fertility.

factualpending

Speaker

Bethany McLean

Evidence Quote

“sperm counts are way down that's part of what's going on here by some measures by half over the last 50 years”

Source

The Fertility Crisis: Capitalism's Next Challenge, with Sir Niall Ferguson— Stigler Center
Created: 8/11/2026, 7:18:48 AM

My Notes

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