Today in Focus
Today in Focus
The Guardian
What’s happened to sperm?
28 minutes Posted Jul 14, 2026 at 2:00 am.
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Sperm counts are in decline worldwide, and testosterone levels are said to be plunging, but male infertility still carries a stigma. Prof Michael Carroll on what every man should know. Help support our independent journalism at <a href="https://www.theguardian.com/infocus">theguardian.com/infocus</a>