User's Manual

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4HREELARGEEPIDEMIOLOGYSTUDIESHAVEBEENPUBLISHEDSINCE$ECEMBER
"ETWEEN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.ONE
OFTHESTUDIESDEMONSTRATEDTHEEXISTENCEOFANYHARMFULHEALTHEFFECTSFROM
WIRELESSPHONE2&EXPOSURES(OWEVER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
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!COMBINATIONOFLABORATORYSTUDIESANDEPIDEMIOLOGICALSTUDIESOFPEOPLE
ACTUALLYUSINGWIRELESSPHONESWOULDPROVIDESOMEOFTHEDATATHATARENEEDED
,IFETIMEANIMALEXPOSURESTUDIESCOULDBECOMPLETEDINAFEWYEARS(OWEVER
VERYLARGENUMBERSOFANIMALSWOULDBENEEDEDTOPROVIDERELIABLEPROOFOFA
CANCERPROMOTINGEFFECTIFONEEXISTS%PIDEMIOLOGICALSTUDIESCANPROVIDEDATA
THATISDIRECTLYAPPLICABLETOHUMANPOPULATIONSBUTORMOREYEARSFOLLOWUP
MAYBENEEDEDTOPROVIDEANSWERSABOUTSOMEHEALTHEFFECTSSUCHASCANCER
4HIS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4HE
INTERPRETATIONOFEPIDEMIOLOGICALSTUDIESISHAMPEREDBYDIFFICULTIESINMEASURING
ACTUAL2&EXPOSUREDURINGDAYTODAYUSEOFWIRELESSPHONES-ANYFACTORSAFFECT
THISMEASUREMENTSUCHASTHEANGLEATWHICHTHEPHONEISHELDORWHICHMODEL
OFPHONEISUSED