Do certain radio wave frequencies (like those used by cell phones) pose health risks?

There is currently a good bit of debate surrounding the effects of low levels of exposure to electromagnetic fields. Static Electric and Magnetic Fields and Human Health and Possible Health Effects of Exposure to Residential Electric and Magnetic Fields offer a lot of information on the subject. To answer your specific question about cellularradiotowers, here are a couple of things to keep in mind:

  • Cellular towersare transmitting atlow power为了限制其范围(见How Cell Phones Workto understand why low power makes the cellular concept work). The power level from the tower is not much different from that of a CB radio.
  • If you're worried about cellular radio waves, any potential danger would be much more worrisome for the users of thephones, where the transmitter is only inches from the head rather than hundreds of feet away.

To learn more, seeHow Cell-Phone Radiation Works.

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