Why do people worry so much about microwave radiation?

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Discussion Overview

The discussion revolves around public concerns regarding microwave radiation, particularly in comparison to infrared radiation. Participants explore reasons for these worries, including the perceived dangers of standing near microwaves and using them for heating food. The conversation touches on theoretical risks and societal perceptions of radiation in general.

Discussion Character

  • Debate/contested
  • Conceptual clarification
  • Exploratory

Main Points Raised

  • Some participants question why microwave radiation is feared despite having less energy than infrared radiation.
  • It is proposed that microwave radiation is more penetrating than infrared, leading to concerns about potential harm, such as the theoretical risk of "cooking" brain tissue.
  • One participant mentions that microwaves can interfere with medical devices like pacemakers, which raises safety concerns for individuals who rely on them.
  • Another participant suggests that public fears may stem from irrationality and media sensationalism surrounding radiation in general.
  • Concerns are raised about the potential for microwave burns, with a personal anecdote shared about an incident involving a malfunctioning microwave.
  • Some participants argue that fears about microwaves cooking food are based on pseudoscience, although they acknowledge that caution is warranted when using microwaves.

Areas of Agreement / Disagreement

Participants express a range of views, with no clear consensus on the validity of public fears regarding microwave radiation. Some see these concerns as irrational, while others acknowledge potential risks, leading to an unresolved discussion.

Contextual Notes

Participants reference various theoretical risks and societal perceptions without reaching a definitive conclusion about the nature of microwave radiation and its dangers. The discussion includes anecdotal evidence and personal experiences, which may not represent broader scientific consensus.

fangrz
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Why do people worry so much about microwave radiation if it has less energy than infrared (heat) radiation? Why do they worry about STANDING near microwaves versus standing near heat sources? Why do they worry about using it to heat up their food if it's lower in energy than infrared?
 
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fangrz said:
Why do people worry so much about microwave radiation if it has less energy than infrared (heat) radiation? Why do they worry about STANDING near microwaves versus standing near heat sources? Why do they worry about using it to heat up their food if it's lower in energy than infrared?
Because microwave radiation is more penetrating than infrared. Too much microwave radiation can cook your brain inside your skull, to cite an unlikely, though theoretically possible, scenario.

http://www.labour.gov.on.ca/english/hs/pubs/radiation/gl_radio_2.php

Microwave radiation can also interfere with medical devices, like pacemakers, which some people depend on to keep them alive.
 
fangrz said:
Why do people worry so much about microwave radiation if it has less energy than infrared (heat) radiation? Why do they worry about STANDING near microwaves versus standing near heat sources? Why do they worry about using it to heat up their food if it's lower in energy than infrared?

People also worry about EM radiation from power lines, about the possibility of catastrophic black holes at the LHC, about any level of radiation, etc... etc. You are asking why some people are irrational. Is there really an answer for such a thing?

Zz.
 
I don't think most people really worry too much about microwaves cooking their food. I don't know a lot about the subject but it seems to me like most of the 'harmful effects' are based on pseudoscience.

As mentioned above though that doesn't mean microwaves aren't dangerous...I wouldn't regularly stick my head right next to one when it was running for instance.
 
ZapperZ said:
People also worry about EM radiation from power lines, about the possibility of catastrophic black holes at the LHC, about any level of radiation, etc... etc. You are asking why some people are irrational. Is there really an answer for such a thing?

Zz.
If the media were rational about this sort of thing then they could not entertain their audience. No one ever wants to do the sums before panicking about something.
 
SteamKing said:
Because microwave radiation is more penetrating than infrared. Too much microwave radiation can cook your brain inside your skull, to cite an unlikely, though theoretically possible, scenario.

http://www.labour.gov.on.ca/english/hs/pubs/radiation/gl_radio_2.php

Microwave radiation can also interfere with medical devices, like pacemakers, which some people depend on to keep them alive.

Which is why microwaves have special doors to prevent any damage to curious people that want to keep an eye on their food while it is being heated. Fun anecdote: A friend of mine had a broken microwave that didn't switch off when the door was being opened, and after he stuck his hand inside, he had to go to the hospital to have it treated. He said that his hand looked really weird and that microwave burns were quite rare, so several people were called into have a look at it (an educational moment for everyone). However, he didn't really describe his condition as serious and as far as I could tell it didn't cause any permanent damage.
 

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