Mobile Phone Risks

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no concern, since exposure levels decrease rapidly with increasing distance from the antenna. Cordless telephones, which need to be operated within about 20 metres of a base unit that is connected directly to the telephone system, do not have any health concerns associated with their use because exposure levels are very low. .
Media reports have claimed that up to 70 percent of the microwave emissions from hand-held mobile telephones may be absorbed in the user's head. This is not supported by the evidence, but nevertheless leads to speculation that hot spots may be created in the user's brain, thereby raising concerns that the telephones may be a health risk. Other reports have indicated that mobile telephone users suffer localized headaches when they use their telephone. At this stage, it is difficult to evaluate the evidence supporting these reports, since they have not been published.
This work on human subjects follows other phone studies in animals suggesting that radiation ...

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manufacturers and suppliers. These claims for damages allege that the microwave emissions from mobile telephones used by the claimants caused their brain cancers. Those few cases that have been tried have been dismissed for lack of supporting evidence.
Microwaves are but one type of electromagnetic field of the ways that these fields are described is by specifying their frequency. The range of frequencies that are useful for telecommunications include microwaves.
Some public concern about mobile telephones is erroneously based on media attention to the possibility of adverse effects from exposure to power-line electromagnetic fields, which have a much lower frequency than the ...

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