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The article Electromagnetic Radiation Due to Cellular, Wi-Fi and Bluetooth Technologies: How Safe Are We? states that non-thermal effects of EMR such as wifi and Bluetooth are such that wireless devices like Bluetooth earphones should be completely avoided:

People should be made aware that the EMR from using day to day cellular, Wi-Fi and Bluetooth devices are harmful to human health. The levels of radiation observed in most cases such as phone calls, internet browsing on laptops and smart- phones, using wireless routers and hotspots, Bluetooth smart-watches and smartphones are unsafe when compared with radiations limits determined by medical bodies. According to the current medical literature, various adverse health effects from exposure to RF EMR have been well documented. For now, wireless technologies must be avoided as much as possible.

Is this over-exaggerated? I don't see how the risk of a mobile phone with wifi and a Bluetooth earpiece is evaluated, or if this damage is potentially permanent.

I found this one also stating that the ear part is most sensitive to radiation and that specifically earbuds are quite dangerous possibly. Although it is on the emf protection website.

https://www.wavewallcases.com/are-bluetooth-headphones-safe/

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    The article you've linked to is retracted "because of errors found in the analysis reported in this article, resulting in inaccurate results and conclusions" ieeexplore.ieee.org/document/9016183 – ff524 Apr 25 at 16:25
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    I wonder if this should be closed. On the one hand, the article has been retracted already. On the other hand, the PDF is out there in the wild (on the "Children's Health Defense" web site, an antivax organization ...) I can't find any reliable further detail on the errors. – Ben Bolker Apr 25 at 16:37
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    @ff524 That seems a fine and definitive answer. Would you post it as one? – Schwern Apr 25 at 20:31
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    I don't know i genuinely asked this hoping that conspiracy deniers will somewhat debunk this in an educational and clear way. I mean this is a huge business, wireless devices, even i use the Bluetooth earbuds, this is obviously hugely red flagged for conflicts of interest and general neglency due to still quite a lacking understanding of the subtle interactions of EM radioation and biology. Also Bluetooth radiation is quite a high frequency. Say I use my earpiece 5 hours a day I don't know how that compares to for example 5 hours of sunlight., and not just in thermal effects. – Puppet master Apr 26 at 8:14
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    I don't know what errors were made here in the article, how exactly has this been established. How does Bluetooth earpiece radiation compare to browsing on a mobile with wifi and browsing without wifi. Again I am not trying to spread some conspiracy, I would prefer if this wasn't as described in the article.. – Puppet master Apr 26 at 8:18

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