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2000. Bet w een t hem , t he st udies invest igat ed any possible associat ion
bet w een t he use of w ir eless phones and pr im ar y br ain cancer , gliom a,
m eningiom a, or acoust ic neur om a, t um or s of t he br ain or salivar y gland,
leukem ia, or ot her cancer s. None of t he st udies dem onst r at ed t he
exist ence of any har m ful healt h effect s fr om wireless phones RF
exposures. However, none of t he st udies can answer quest ions about
long- t er m exposur es, since t he aver age per iod of phone use in t hese
st udies was around t hree years.
W h a t r e se a r ch is n e e de d t o de cide w h e t h e r RF e x posu r e fr om
w ir e le ss ph on e s p ose s a h e a lt h r isk ?
A com binat ion of labor at or y st udies and epidem iological st udies of people
act ually using wir eless phones would pr ovide som e of t he dat a t hat ar e
needed. Lifet im e anim al exposure st udies could be com plet ed in a few
year s. How ever , very lar ge num ber s of anim als w ould be needed t o
pr ovide r eliable pr oof of a cancer pr om ot ing effect if one exist s.
Epidem iological st udies can pr ovide dat a t hat is dir ect ly applicable t o
hum an populat ions, but t en or m or e year s' follow- up m ay be needed t o
provide answer s about som e healt h effect s, such as cancer . This is
because t he int er val bet w een t he t im e of exposur e t o a cancer - causing
agent and t he t im e t um or s develop - if t hey do - m ay be m any, m any
year s. The int er pr et at ion of epidem iological st udies is ham per ed by
difficult ies in m easur ing act ual RF exposur e dur ing day- t o- day use of
wireless phones. Many fact ors affect t his m easurem ent , such as t he angle
at w hich t he phone is held, or w hich m odel of phone is used.
W h a t is FD A doin g t o fin d ou t m or e a bou t t h e possible h e a lt h
e ffe ct s of w ir e le ss ph on e RF?
FDA is wor king w it h t he U.S. Nat ional Toxicology Pr ogr am and wit h
gr oups of invest igat or s ar ound t he wor ld t o ensur e t hat high pr ior it y
anim al st udies ar e conduct ed t o addr ess im por t ant quest ions about t he
effect s of exposure t o radio frequency ener gy ( RF) .
FDA has been a leading par t icipant in t he Wor ld Healt h Or ganizat ion
int er nat ional Elect r om agnet ic Fields ( EMF) Pr oj ect since it s incept ion in
1996. An influent ial r esult of t his w or k has been t he developm ent of a
det ailed agenda of r esear ch needs t hat has dr iven t he est ablishm ent of
new r esear ch pr ogram s ar ound t he wor ld. The Pr oj ect has also helped
develop a ser ies of public infor m at ion docum ent s on EMF issues.
FDA and Cellular Telecom m unicat ions & I nt ernet Associat ion ( CTI A) have
a for m al Cooper at iv e Resear ch and Developm ent Agr eem ent ( CRADA) t o
do research on wireless phone safet y . FDA provides t he scient ific
over sight , obt aining input fr om exper t s in gover nm ent , indust r y, and
academ ic organizat ions. CTI A- funded r esear ch is conduct ed t hr ough
cont r act s t o independent invest igat or s. The init ial r esear ch w ill include
bot h laborat ory st udies and st udies of wireless phone user s. The CRADA
w ill also include a br oad assessm ent of addit ional r esear ch needs in t he
cont ext of t he lat est research developm ent s ar ound t he wor ld.
Summary of Contents for GT-E2530
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Page 3: ...z Windows Media Player is a registered trademark of Microsoft Corporation ...
Page 5: ...Safety precautions ...
Page 23: ...Definition Signal strength Call in progress New text message ...
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