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Modulator effects of L-carnitine and selenium on wireless devices (2.45 GHz)-induced oxidative stress and electroencephalography records in brain of rat.

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Naziroğlu M, Gümral N · 2009

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WiFi-frequency radiation depleted brain antioxidants in rats after 28 days, but L-carnitine supplements provided significant protection against this oxidative damage.

Plain English Summary

Summary written for general audiences

Turkish researchers exposed rats to WiFi-frequency radiation (2.45 GHz) for one hour daily over 28 days and found it depleted key brain antioxidants including vitamins A, C, and E. When rats were given selenium or L-carnitine supplements during exposure, these protective nutrients were largely restored, with L-carnitine showing stronger protective effects. This suggests that wireless device radiation creates oxidative stress in brain tissue, but certain antioxidants may help counteract this damage.

Why This Matters

This study adds to mounting evidence that wireless radiation at 2.45 GHz - the same frequency used by WiFi routers, microwave ovens, and many Bluetooth devices - can deplete the brain's natural antioxidant defenses. What makes this research particularly valuable is its demonstration that nutritional interventions can provide measurable protection against EMF-induced oxidative stress. The 60-minute daily exposure used here is actually quite modest compared to many people's cumulative WiFi exposure throughout the day from routers, laptops, and smartphones.

The reality is that our brains rely on antioxidants like vitamins C and E to neutralize harmful free radicals, and this study shows wireless radiation can overwhelm these natural defenses. While the protective effects of L-carnitine and selenium are encouraging, the smarter approach is reducing unnecessary exposure in the first place. You don't have to eliminate all wireless technology, but simple steps like turning off WiFi at night and maintaining distance from routers can significantly reduce your daily exposure load.

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: 60 min/day for 28 days

Study Details

The present study was designed to determine the effects of 2.45 GHz EMR on the brain antioxidant redox system and electroencephalography (EEG) records in rat. The possible protective effects of selenium and L-carnitine were also tested and compared to untreated controls.

Thirty rats were equally divided into five different groups, namely Group A(1): Cage control, Group ...

The cortex brain vitamin A (p < 0.05), vitamin C (p < 0.01) and vitamin E (p < 0.05) concentrations ...

L-carnitine and selenium seem to have protective effects on the 2.45 GHz-induced decrease of the vitamins by supporting antioxidant redox system. L-carnitine on the vitamin concentrations seems to more protective affect than in selenium.

Cite This Study
Naziroğlu M, Gümral N (2009). Modulator effects of L-carnitine and selenium on wireless devices (2.45 GHz)-induced oxidative stress and electroencephalography records in brain of rat. Int J Radiat Biol. 85(8):680-689, 2009.
Show BibTeX
@article{m_2009_modulator_effects_of_lcarnitine_2464,
  author = {Naziroğlu M and Gümral N},
  title = {Modulator effects of L-carnitine and selenium on wireless devices (2.45 GHz)-induced oxidative stress and electroencephalography records in brain of rat.},
  year = {2009},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/19637079/},
}
PubMed: 19637079

Cited By (52 papers)

View all 52 citing papers on Semantic Scholar

Quick Questions About This Study

Yes, L-carnitine supplementation significantly protected rat brains from WiFi radiation damage. Turkish researchers found that L-carnitine restored brain vitamin levels that were depleted by daily 2.45 GHz exposure, showing stronger protective effects than selenium supplements against wireless device radiation.
Yes, 28 days of daily WiFi exposure at 2.45 GHz significantly depleted brain vitamins A, C, and E in rats. The study found these essential antioxidant vitamins were reduced in brain cortex tissue, but selenium and L-carnitine supplementation helped restore normal levels.
Just one hour daily of 2.45 GHz WiFi radiation for 28 days significantly reduced brain antioxidant vitamins in rats. This Turkish study demonstrated that relatively brief but repeated wireless device exposure can measurably deplete protective nutrients in brain tissue over four weeks.
L-carnitine provides stronger protection against 2.45 GHz WiFi radiation than selenium. While both supplements helped restore brain vitamin levels depleted by wireless exposure, researchers found L-carnitine had more protective effects on vitamin concentrations compared to selenium supplementation.
No, 2.45 GHz WiFi radiation did not change beta-carotene levels in rat brains. While the same exposure significantly depleted vitamins A, C, and E, beta-carotene concentrations remained stable across all groups, suggesting this antioxidant is less vulnerable to wireless radiation effects.