r/science • u/mvea Professor | Medicine • 10d ago

Health Ultra-processed foods harm men’s health. They increase weight, disrupt hormones, decrease testosterone, and introduce harmful substances linked to declining sperm quality. They contain industrial and synthetic ingredients. This may be why over the past 50 years, sperm quality has plummeted.

https://cbmr.ku.dk/news/2025/not-all-calories-are-equal-ultra-processed-foods-harm-mens-health/
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u/details_matter 10d ago

Grasshoppers of the Acridoidea superfamily are a good metaphor, I think. The locust form versus the grasshopper form: same species, wildly different behavior.

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u/procrastablasta 10d ago

There’s a sci-fi short story about humans having a locust mode

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u/GuardianAlien 10d ago

Let me know if you remember the name of the short story!

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u/procrastablasta 10d ago edited 10d ago

The Locusts) by Larry Niven