LG G4 LG-H812 - Page 20

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Safety Guidelines
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predisposed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an
yharmfulhealtheffectsfrom
wirelessphoneRFexposures.
However,noneofthestudiescananswerquestionsaboutlongterm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
usingwirelessphoneswouldprovidesomeofthedatathatareneeded.Lifetimeanimal
exposurestudiescouldbecompletedinafewyears.However,verylargenumbersof
animalswouldbeneededtoprovidereliableproofofacancerpromotingeffectifone
exists.Epidemiologicalstudiescanprovidedatathatisdirectlyapplicabletohuman
populations,but10ormoreyearsfollow-upmaybeneededtoprovideanswersabout
somehealtheffects,suchascancer.
Thisisbecausetheintervalbetweenthetimeofexposuretoacancer-causingagent
andthetimetumorsdevelop-iftheydomaybemany,manyyears.Theinterpretation
ofepidemiologicalstudiesishamperedbydifficultiesinmeasuringactualRFexposure