Samsung SGH-C207 User Manual (user Manual) (ver.1.0) (English) - Page 202

many, many years. The interpretation of epidemiological

Page 202 highlights

salivary gland, leukemia, or other cancers. None of the studies demonstrated the existence of any harmful health effects from wireless phone RF exposures. However, 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. 11.What research is needed to decide whether RF exposure from wireless phones poses a health 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 10 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 wireless phones. Many factors affect this measurement, such as the angle at which the phone is held, or which model of phone is used. 12.Which other federal agencies have responsibilities related to potential RF health effects? Additional information on the safety of RF exposures from various sources can be obtained from the following organizations. Appendix C: Consumer Update on Wireless Phones 201

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Appendix C: Consumer Update on Wireless Phones
201
salivary gland, leukemia, or other cancers. None of the
studies demonstrated the existence of any harmful health
effects from wireless phone RF exposures. However, 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.
11.What research is needed to decide whether RF
exposure from wireless phones poses a health 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 10 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 wireless phones. Many
factors affect this measurement, such as the angle at
which the phone is held, or which model of phone is used.
12.Which other federal agencies have responsibilities
related to potential RF health effects?
Additional information on the safety of RF exposures from
various sources can be obtained from the following
organizations.