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This is an automated archive made by the Lemmit Bot.

The original was posted on /r/todayilearned by /u/tyrion2024 on 2024-07-22 05:41:14+00:00.

Original Title: TIL a study tested 23 human testes & 47 pet dog testes and found microplastics in every sample. The human testicles had a plastic concentration almost three times higher than that found in the dog testes: 330 micrograms per gram of tissue compared with 123 micrograms.

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This is an automated archive made by the Lemmit Bot.

The original was posted on /r/worldnews by /u/ItsNotMe_ImNotHere on 2024-05-21 17:05:46+00:00.

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Scientists say discovery may be linked to decades-long decline in sperm counts in men around the world

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.

The human testicles had been preserved and so their sperm count could not be measured. However, the sperm count in the dogs’ testes could be assessed and was lower in samples with higher contamination with PVC. The study demonstrates a correlation but further research is needed to prove microplastics cause sperm counts to fall.

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