V700 User Manual - Page 121

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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

devices,sowedonot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devices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

deviceRFexposures.However,noneofthestudiescananswerquestions

aboutlong-termexposures,sincetheaverageperiodofdeviceuseinthese

studieswasaroundthreeyears.

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

tablets poses a health risk?

Acombinationoflaboratorystudiesandepidemiologicalstudiesofpeople

actuallyusingtablets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ten

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during

day-to-dayuseoftablets.Manyfactorsaffectthismeasurement,suchasthe

angleatwhichthetabletisheld,orwhichmodeloftabletisused.

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