LGD631 User Manual

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114

Safety Guidelines

phones,’whichhaveabaseunitconnectedtothetelephonewiringinahouse,

typicallyoperateatfarlowerpowerlevels,andthusproduceRFexposuresfarbelow

theFCCsafetylimits.

4. What are the results of the research done already?

Theresearchdonethusfarhasproducedconflictingresults,andmanystudieshave

sufferedfromflawsintheirresearchmethods.Animalexperimentsinvestigatingthe

effectsofradiofrequencyenergy(RF)exposurescharacteristicofwirelessphones

haveyieldedconflictingresultsthatoftencannotberepeatedinotherlaboratories.A

fewanimalstudies,however,havesuggestedthatlowlevelsofRFcouldaccelerate

thedevelopmentofcancerinlaboratoryanimals.However,manyofthestudies

thatshowedincreasedtumordevelopmentusedanimalsthathadbeengenetically

engineeredortreatedwithcancercausingchemicalssoastobepre-disposedto

developcancerintheabsenceofRFexposure.Otherstudiesexposedtheanimalsto

RFforupto22hoursperday.Theseconditionsarenotsimilartotheconditionsunder

whichpeopleusewirelessphones,sowedon’tknowwithcertaintywhattheresults

ofsuchstudiesmeanforhumanhealth.Threelargeepidemiologystudieshavebeen

publishedsinceDecember2000.Betweenthem,thestudiesinvestigatedanypossible

associationbetweentheuseofwirelessphonesandprimarybraincancer,glioma,

meningioma,oracousticneuroma,tumorsofthebrainorsalivarygland,leukemia,or

othercancers.Noneofthestudiesdemonstratedtheexistenceofanyharmfulhealth

effectsfromwirelessphoneRFexposures.However,noneofthestudiescananswer

questionsaboutlong-termexposures,sincetheaverageperiodofphoneuseinthese

studieswasaroundthreeyears.

5. What research is needed to decide whether RF exposure from

wireless phones poses a health risk?

Acombinationoflaboratorystudiesandepidemiologicalstudiesofpeopleactually

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User Manual - Page 114