LGUS730 User Manual

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Safety

178

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

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difcultiesinmeasuring

actualRFexposureduringday-to-day

useofwirelessphones.Manyfactors

affectthismeasurement,suchasthe

angleatwhichthephoneisheld,or

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LG Electronics LGUS730 4.3" display, 1 GHz CPU, True-to-Life 720p HD Video Recording