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The Guardian - UK
The Guardian - UK
Environment
Damian Carrington Environment editor

Microplastics found in every human testicle in study

A clear dish full of brightly coloured microplastics
Microplastic pollution was found in all 23 human testes examined by scientists, as well as 47 testes from pet dogs. Photograph: David Kelly/University of Queensland

Microplastics have been found in human testicles, with researchers saying the discovery might be linked to declining sperm counts in men.

The scientists tested 23 human testes, as well as 47 testes from pet dogs. They found microplastic pollution in every sample.

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