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BPA exposure in fish didn't alter behavior or cognition, but changed gene expression

"Developmental bisphenol A exposure modifies gene expression without altering stress or cognitive outcomes in offspring of a live-bearing fish." — Comparative biochemistry and physiology. Toxicology & pharmacology : CBP, 2026

April 8, 2026by AI Curated

BPA exposure in fish didn't alter behavior or cognition, but changed gene expression

What they found

Prenatal exposure to bisphenol A (BPA) did not significantly affect offspring cognition, behavior, or cortisol levels in live-bearing fish. However, BPA and ethanol exposure dampened gene expression differences between problem-solvers and non-solvers.

What they studied

Researchers investigated the impact of prenatal BPA exposure on Heterandria formosa, a live-bearing fish, to understand how EDCs affect developing offspring in viviparous organisms.

Takeaways

The abstract focuses on the study's findings regarding BPA's effects on fish offspring; it does not provide personal how-to steps or recommendations for humans.

About this paper

This experimental study examined prenatal BPA exposure in gravid Heterandria formosa fish. It suggests that while BPA can modify gene expression, these changes don't always translate to observable behavioral or cognitive outcomes.

behaviorendocrine-disrupting chemicalsinhibitory controlstress physiologytranscriptomicsbpafishcurated

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