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29
HEAL
TH AND SAFETY
Do cell phones pose a health hazard?
Many people are concerned that cell phone radiation
will cause cancer or other serious health hazards.
The weight of scientific evidence has not linked cell
phones with any health problems.
Cell phones emit low levels of Radio Frequency
(RF) energy. Over the past 15 years, scientists
have conducted hundreds of studies looking at the
biological effects of the radio frequency energy
emitted by cell phones. While some researchers
have reported biological changes associated with RF
energy, these studies have failed to be replicated.
The majority of studies published have failed to show
an association between exposure to radio frequency
from a cell phone and health problems.
The low levels of RF cell phones emit while in use
are in the microwave frequency range. They also
emit RF at substantially reduced time intervals when
in the stand-by mode. Whereas high levels of RF can
produce health effects (by heating tissue), exposure
to low level RF that does not produce heating effects
causes no known adverse health effects.
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Summary of Contents for Smartphone
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