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From adults to offspring: Wi-Fi RF-EMR exposure in adult zebrafish impairs reproduction and transgenerationally effects development and behavior of progeny

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Authors not listed · 2025

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Adult zebrafish exposed to Wi-Fi RF-EMR for 30 days showed gonadal damage, and their offspring had higher mortality and malformations.

Plain English Summary

Summary written for general audiences

Researchers exposed adult zebrafish to 4 hours of RF-EMR daily from a 4G Wi-Fi router for 30 days. After exposure, the fish were bred on days 10, 20, and 30, and the resulting embryos were raised without EMF and examined up to 10 days post-fertilization. Histopathology showed testicular and ovarian abnormalities in exposed adults, while their offspring exhibited increased mortality, morphological malformations, and anxiety-like behavior at 10 days post-fertilization.

Why This Matters

The authors noted a progressive decline in reproductive health of the exposed adults and greater adversities in their offspring. They concluded that the findings point to long-term biological risks of widespread electromagnetic radiation and called for more research on transgenerational effects.

Cite This Study
Unknown (2025). From adults to offspring: Wi-Fi RF-EMR exposure in adult zebrafish impairs reproduction and transgenerationally effects development and behavior of progeny.
Show BibTeX
@article{from_adults_to_offspring_wi_fi_rf_emr_exposure_in_adult_zebrafish_impairs_reproduction_and_transgenerationally_effects_development_and_behavior_of_progeny_ce3379,
  author = {Unknown},
  title = {From adults to offspring: Wi-Fi RF-EMR exposure in adult zebrafish impairs reproduction and transgenerationally effects development and behavior of progeny},
  year = {2025},
  doi = {10.1016/j.scitotenv.2025.180982},
  
}

Quick Questions About This Study

Adult zebrafish were exposed to 4 hours of RF-EMR daily from a 4G Wi-Fi router for 30 days.
Histopathology revealed testicular abnormalities such as seminiferous tubule disintegration and reduced spermatids, and ovarian follicular degeneration and stromal disruption.
The progeny showed significant mortality and morphological abnormalities including yolk sac edema, pericardial edema, curved axis, and tail deformities, with malformation rates increasing with longer parental exposure.
Neurobehavioral tests at 10 days post-fertilization revealed anxiety-like behavior in larvae from exposed parents.