A rat study in Bioelectromagnetics examined GSM-modulated 3.5 GHz RF-EMF exposure (2 h/day for 30 days) and reported adverse changes in male reproductive hormones, oxidative stress markers, and testicular histology. The authors also tested Coenzyme Q10 (CoQ10) and found it partially ameliorated some RF-associated alterations. The paper notes that because the exposure used a GSM-modulated waveform, findings cannot be extrapolated to FR1 5G NR signals, and calls for further research under real-world conditions.

This animal experiment assessed GSM-modulated 3.5 GHz RF exposure in male Wistar rats and reported hormonal, oxidative, and histological changes consistent with testicular impairment. RF exposure was associated with lower testosterone, LH, and FSH, higher oxidative stress (increased MDA and TOS), and degenerative testicular histology. Coenzyme Q10 supplementation partially mitigated several reported changes. The authors caution against generalizing these results to FR1 5G NR signals and call for further research.

This animal study exposed rats to Wi‑Fi waves for 7 hours/day for 2 months and assessed sperm parameters, serum testosterone, and testicular/epididymal pathology, with and without coenzyme Q10 (CoQ10). The authors report that Wi‑Fi exposure was linked to worse sperm parameters, lower testosterone, and adverse testicular pathology. CoQ10 supplementation during exposure was reported to mitigate these changes compared with Wi‑Fi exposure alone.