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Radiofrequency radiation emitted from Wi-Fi (2.4 GHz) causes impaired insulin secretion and increased oxidative stress in rat pancreatic islets.

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Masoumi A, Karbalaei N, Mortazavi SMJ, Shabani M. · 2018

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Wi-Fi radiation impaired insulin production and blood sugar control in rats, suggesting metabolic risks from chronic wireless exposure.

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Summary written for general audiences

Researchers exposed rats to Wi-Fi radiation (2.4 GHz) for 4 hours daily over 45 days and found it significantly impaired the pancreas's ability to produce insulin while causing elevated blood sugar levels. The Wi-Fi exposure also increased harmful oxidative stress in pancreatic tissue and reduced the body's natural antioxidant defenses. This suggests that chronic Wi-Fi radiation exposure may interfere with blood sugar regulation, a critical function for metabolic health.

Why This Matters

This study adds important evidence to growing concerns about Wi-Fi's effects on metabolic function. The researchers found that 2.4 GHz radiation - the same frequency used by most home Wi-Fi routers - disrupted insulin production and glucose regulation in ways that mirror early diabetes development. What makes this particularly relevant is that the exposure duration (4 hours daily) reflects realistic human exposure patterns for people working or studying near Wi-Fi devices. The science demonstrates clear biological effects on a fundamental metabolic process that affects every cell in your body. While this research was conducted in rats, the pancreatic mechanisms involved are remarkably similar to those in humans, making these findings directly applicable to human health concerns about chronic Wi-Fi exposure.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 2.45 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 2.45 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 2.45 GHz Duration: 4 h/day for 45 days

Study Details

There is a great concern regarding the possible adverse effects of electromagnetic radiation (EMR). This study investigated the effects of EMR induced by Wi-Fi (2.45 GHz) on insulin secretion and antioxidant redox systems in the rat pancreas.

Adult male Sprague–Dawley rats in the weight range of 230–260 g were divided into control, sham, Wi-...

Our data showed that the weight gain in the WI-FI exposed group was significantly lower than the con...

These data showed that EMR of Wi-Fi leads to hyperglycemia, increased oxidative stress, and impaired insulin secretion in the rat pancreatic islets

Cite This Study
Masoumi A, Karbalaei N, Mortazavi SMJ, Shabani M. (2018). Radiofrequency radiation emitted from Wi-Fi (2.4 GHz) causes impaired insulin secretion and increased oxidative stress in rat pancreatic islets. Int J Radiat Biol. 94(9):850-857, 2018.
Show BibTeX
@article{a_2018_radiofrequency_radiation_emitted_from_1673,
  author = {Masoumi A and Karbalaei N and Mortazavi SMJ and Shabani M.},
  title = {Radiofrequency radiation emitted from Wi-Fi (2.4 GHz) causes impaired insulin secretion and increased oxidative stress in rat pancreatic islets.},
  year = {2018},
  doi = {10.1080/09553002.2018.1490039},
  url = {https://www.tandfonline.com/doi/abs/10.1080/09553002.2018.1490039},
}
DOI: 10.1080/09553002.2018.1490039

Cited By (10 papers)

Quick Questions About This Study

A 2018 study found that Wi-Fi radiation (2.4 GHz) impaired insulin production and elevated blood sugar levels in rats exposed for 45 days. The radiation reduced the pancreas's ability to secrete insulin, which is critical for blood sugar regulation and diabetes prevention.
Research shows Wi-Fi radiation can negatively affect blood sugar control. Rats exposed to 2.4 GHz Wi-Fi signals for 4 hours daily developed hyperglycemia (high blood sugar) and reduced insulin secretion from pancreatic cells within 45 days of exposure.
Yes, a controlled study demonstrated that Wi-Fi radiation significantly impaired insulin secretion from pancreatic islets. Rats exposed to 2.4 GHz signals showed reduced glucose-stimulated insulin release, suggesting Wi-Fi exposure may interfere with normal metabolic hormone production.
Wi-Fi radiation exposure may disrupt metabolic function by impairing insulin secretion and causing elevated blood sugar levels. The 2018 study also found increased oxidative stress in pancreatic tissue, which can damage cells responsible for blood sugar regulation.
Wi-Fi radiation appears to damage pancreatic cells through oxidative stress while reducing insulin production. Exposed rats showed decreased antioxidant defenses and increased harmful lipid peroxidation in pancreatic tissue, alongside impaired glucose-stimulated insulin secretion from pancreatic islets.