Exposure to 5G radiofrequency signals cuts sperm count and motility in rats, study finds

A new animal study is raising questions many families have likely wondered about as 5G networks expand: does frequent exposure to these radiofrequency signals affect fertility? Researchers from Universiti Kebangsaan Malaysia, publishing in the Indian Journal of Medical Research, exposed male rats to two frequencies used in 5G technology — 3.5 GHz and 24 GHz — for seven hours a day over 60 days. The results showed significantly lower sperm concentration and motility in both exposed groups compared to a control group. The study also noted differences in reproductive outcomes: the 3.5 GHz group had stillbirths with abnormalities, while the 24 GHz group showed a lower pregnancy rate and lower birth weights.

What This Means for Families

It's important to note what the researchers themselves said: these findings "cannot be directly applied to humans." Rat studies with concentrated, prolonged exposure don't map neatly onto everyday human life, where exposure levels, duration, and biology all differ. The study's authors were careful to frame this as a signal for more research, not a verdict — they specifically called for larger studies into sperm DNA damage, oxidative stress, and reproductive outcomes in connection with radiofrequency exposure. Still, for health-conscious parents and prospective homebuyers already thinking about cell tower proximity or Wi-Fi density in a new home, this kind of early-stage research adds to the broader conversation about long-term, cumulative RF-EMF exposure — even if the science isn't settled.

Practical Steps Without the Panic

You don't need to wait for definitive human studies to make sensible choices at home. Simple habits — keeping phones out of pockets, using speaker mode or headphones for calls, and creating distance between sleeping areas and routers — are well-established ways to reduce daily RF-EMF exposure since field strength drops off quickly with distance. For those renovating or house-hunting with EMF in mind, some families also look into EMF shielding paint for rooms near cell towers or shared walls. And since reducing overall EMF and environmental load in the home often goes hand-in-hand, it's worth also considering everyday appliances — swapping in a low-EMF hair dryer or improving indoor air with a low-EMF air purifier are easy, low-cost upgrades that support a lower-exposure household overall.

For now, the honest takeaway is this: the study is a useful data point, not a cause for alarm, and larger, well-designed human research is still needed to understand what — if anything — this means for people.

Originally reported by The South First