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Health and Safety Information       125
from cell phone use. The COSMOS study will follow 
approximately 300,000 adult cell phone users in Europe for 20 to 
30 years. Additional information about the COSMOS study can be 
found at 
.
Risk of Brain Cancer from Exposure to Radio Frequency Fields 
in Childhood and Adolescence (MOBI-KIDS)
MOBI-KIDS is an international study investigating the relationship 
between exposure to radio frequency energy from 
communication technologies including cell phones and brain 
cancer in young people. This is an international multi-center 
study involving 14 European and non-European countries. 
Additional information about MOBI-KIDS can be found at 
Surveillance, Epidemiology, and End Results (SEER) program 
of the National Cancer Institute
The National Cancer Institute (NCI) actively follows cancer 
statistics in the United States to detect any change in rates of 
new cases for brain cancer. If cell phones play a role in risk for 
brain cancer, rates should go up, as heavy cell phone use has 
been common for quite some time in the U.S. Between 1987 and 
2005, the overall age-adjusted incidence of brain cancer did not 
increase. Additional information about SEER can be found at 
Cell Phone Industry Actions
Although the existing scientific data do not justify FDA regulatory 
actions, the FDA has urged the cell phone industry to take a 
number of steps, including the following:
• 
Support-needed research on possible biological effects of RF for the 
type of signal emitted by cell phones;
• 
Design cell phones in a way that minimizes any RF exposure to the 
user; and
• 
Cooperate in providing users of cell phones with the current 
information on cell phone use and human health concerns.
Reducing Exposure: Hands-Free Kits and Other 
Accessories
Steps to Reduce Exposure to Radio Frequency Energy
If there is a risk from being exposed to radio frequency energy 
(RF) from cell phones - and at this point we do not know that 
there is - it is probably very small. But if you are concerned about 
avoiding even potential risks, you can take a few simple steps to 
minimize your RF exposure.
• 
Reduce the amount of time spent using your cell phone;
• 
Use speaker mode or a headset to place more distance between your 
head and the cell phone.