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Cell Phones & Cancer -
Studies In Humans? Part 2
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What does the laboratory evidence suggest?
As noted above, the RF waves given off by cell phones don't
have enough energy to damage DNA directly. Because of this,
many scientists believe that cell phones aren't able to
cause cancer. Most studies done in the lab have supported
this theory, finding that RF waves do not cause DNA damage.
A number of scientists have reported that the RF waves from
cell phones produce effects in human cells (in lab dishes)
that might possibly help tumors grow. However, several
studies in rats and mice have looked at whether RF energy
might promote the development of tumors caused by other
known carcinogens (cancer-causing agents). These studies did
not find evidence of tumor promotion.
A large study now being done by the US National Toxicology
Program should help address some of the questions about
whether exposure to RF energy could potentially lead to
health issues. The study will expose a large group of
laboratory mice and rats to RF energy for several hours a
day for up to 2 years and follow the animals from birth to
old age.
What do expert agencies say?
In general, expert agencies agree that most evidence to date
does not point to cell phone use increasing the risk of
tumors, but that more research is needed to look at possible
long-term effects.
According to the Food and Drug Administration (FDA), which
regulates the safety of radiation-emitting devices such as
cell phones in the United States:
The majority of studies published have failed to show an
association between exposure to radiofrequency from a cell
phone and health problems.
According to the Federal Communications Commission (FCC):
There is no scientific evidence that proves that wireless
phone usage can lead to cancer or a variety of other
problems, including headaches, dizziness or memory loss.
However, organizations in the United States and overseas are
sponsoring research and investigating claims of possible
health effects related to the use of wireless telephones.
According to the Centers for Disease Control and Prevention
(CDC):
Although some studies have raised concerns, the scientific
research, when taken together, does not indicate a
significant association between cell phone use and health
effects.
According to the National Toxicology Program (NTP), which is
currently conducting studies of the possible health effects
of cell phones:
While the weight of the current scientific evidence has not
conclusively linked cell phones with any health problems,
the NTP and other scientific organizations conclude that
additional data are needed.
According to the National Cancer Institute (NCI):
Although research has not consistently demonstrated a link
between cellular telephone use and cancer, scientists still
caution that further surveillance is needed before
conclusions can be drawn.
The United States Environmental Protection Agency (EPA),
National Toxicology Program (NTP), and the International
Agency for Research on Cancer (IARC), 3 of the main agencies
that classify cancer-causing exposures (carcinogens), have
not classified cell phones as to their cancer-causing
potential.
Cell Phones & Cancer - Studies In
Humans? Part 1
Myanmar, Rangoon,
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Malawi, Lilongwe,
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