Curated News Summary

Men’s average testosterone levels have halved in last 50 years, say scientists

Source: The Guardian Published Tue, 07 Jul 2026 15:41:59 GMT
Men’s average testosterone levels have halved in last 50 years, say scientists

Why This Matters

Key context: <p>Exclusive: Researchers warn of ‘major crisis in male reproductive health’ partly driven by obesity and diabetes</p><p>Men’s average testosterone levels have halved over the past 50 years, according to scientists, who say society is facing a male fertility crisis.</p><p>Total testosterone levels in men declined by 54% between 1972 and 2019, according to data presented at the annual meeting of the European Society of Human Reproduction and Embryology in London on Tuesday.</p> <a href="https://www.theguardian.com/society/2026/jul/07/mens-average-testosterone-levels-have-halved-in-last-50-years-say-scientists">Continue reading...</a> This development from The Guardian highlights ongoing changes in the sector.

Exclusive: Researchers warn of ‘major crisis in male reproductive health’ partly driven by obesity and diabetesMen’s average testosterone levels have halved over the past 50 years, according to scientists, who say society is facing a male fertility crisis.Total testosterone levels in men declined by 54% between 1972 and 2019, according to data presented at the annual meeting of the European Society of Human Reproduction and Embryology in London on Tuesday. Continue reading...

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