Nokia 6651 Manual page 25

Three large epidemiology studies have been published since December 2000.
Between them, the studies investigated any possible association between the use of
wireless phones 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 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.
5. 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.
6.What is FDA doing to find out more about the possible health effects of wireless
phone RF?
FDA is working with the U.S. National Toxicology Program and with groups of
investigators around the world to ensure that high priority animal studies are
conducted to address important questions about the effects of exposure to
radiofrequency energy (RF).
FDA has been a leading participant in the World Health Organization International
Electromagnetic Fields (EMF) Project since its inception in 1996. An influential
result of this work has been the development of a detailed agenda of research needs
that has driven the establishment of new research programs around the world. The
Project has also helped develop a series of public information documents on EMF
issues.
FDA and the Cellular Telecommunications & Internet Association (CTIA) have a
formal Cooperative Research and Development Agreement (CRADA) to do research
on wireless phone safety. FDA provides the scientific oversight, obtaining input from
experts in government, industry, and academic organizations. CTIA-funded research
is conducted through contracts to independent investigators. The initial research will
include both laboratory studies and studies of wireless phone users. The CRADA will
also include a broad assessment of additional research needs in the context of the
latest research developments around the world.
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