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Safety
Guidelines
agencies.
When
the
phone
is
located
at
greater
distances
from
the
user,
the
exposure
to
RF
is
drastically
lower
because
a
person's
RF
exposure
decreases
rapidly
with
increasing
distance
from
the
source.
The
so-called 'cordless
phones,'
which
have
a
base
unit
connected
to
the
telephone
wiring
in
a
house,
typically
operate
at
far
lower
power
levels,
and
thus
produce
RF
exposures
far
below
the
FCC
safety
limits.
4.What
are
the
results
of
the
research
done
already?
The
research
done
thus
far
has
produced
conflicting
results,
and
many
studies
have
suffered
from
flaws
in
their
research
methods.
Animal
experiments
investigating
the
effects
of
radiofrequency
energy
(RF)
exposures
characteristic
of
wireless
phones
have
yielded
conflicting
results
that
often
cannot
be
repeated
in
other
laboratories.
A
few
animal
studies,
however,
have
suggested
that
low
levels
of
RF
could
accelerate
the
development
of
cancer
in
laboratory
animals.
However,
many
of
the
studies
that
showed
increased
tumor
development
used
animals
that
had
been
genetically
engineered
or
treated
with
cancer-
causing
chemicals
so as
to
be
pre-disposed
to
develop
cancer
in
the
absence
of
RF
exposure.
Other
studies
exposed
the
animals
to
RF
for
up
to
22
hours
per
day.
These
conditions
are
not
similar
to
the
conditions
under
which
people
use
wireless
phones,
so
we
don't
know
with
certainty
what
the
results
of
such
studies
mean
for
human
health.
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
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