For that reason, authorities keep monitoring the determining
standards, and governmental officials the most recent scientific
findings to be able to decide whether the currently applicable limit
values for protection of population have to be changed. Some
experts thus call for preventive attitude towards the use of mobile
phones unless the results of presently conducted studies are
available.
If a vehicle is equipped with HFD, it meets legal regulations of
many countries where they allow the use of mobile phone in the
car by means of HFD only.
Governmental officials and other renowned organiza-
tions warn that absolute safety of mobile phones
cannot be scientifically demonstrated. Some studies
point out that mobile phones might be harmful to
human health. Further research in the effect of mobile
phones to human health are necessary. Unless
unambiguous results are known, potential health risks
have to be avoided. Use of mobile phone without any
special external phone aerial may cause increased
values of the electromagnetic field inside the car.
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