# Sperm counts and testicular health: Is “spermageddon” real?

The Guardian Health examines claims that sperm counts are declining sharply and whether this signals a fertility crisis. It weighs evidence on testicular health, environmental and lifestyle factors, and uncertainties in the data. The debate matters for fertility research and public health messaging.

**Importance:** 3/5

## Sources

### Health
- [The Guardian Health](https://www.theguardian.com/global/2026/nov/01/the-truth-about-testicles-are-we-facing-spermageddon) — Sun, 01 Nov 2026 14:00:16 GMT