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Some info on ELF effects.
6. Conclusions
ELF magnetic fields are classified by IARC as "possibly carcinogenic to humans" based on limited evidence for childhood leukaemia at relatively high exposure levels. ELF fields do not appear to cause cancer in laboratory animals or in adults (see question 3).
Overall, the many studies available do not indicate that ELF fields cause harmful non-cancer health effects, neither in animals nor in humans (see question 4).
Link to PDF.
We have undertaken a comprehensive review of epidemiologic studies about the effects of
radiofrequency fields (RFs) on human health in order to summarize the current state of knowledge,
explain the methodologic issues that are involved, and aid in the planning of future studies.
There have been a large number of occupational studies over several decades, particularly on cancer,
cardiovascular disease, adverse reproductive outcome, and cataract, in relation to RF exposure.
More recently, there have been studies of residential exposure, mainly from radio and television
transmitters, and especially focusing on leukemia. There have also been studies of mobile telephone
users, particularly on brain tumors and less often on other cancers and on symptoms.
Results of these studies to date give no consistent or convincing evidence of a causal relation
between RF exposure and any adverse health effect. On the other hand, the studies have too many
deficiencies to rule out an association. A key concern across all studies is the quality of assessment
of RF exposure. Despite the ubiquity of new technologies using RFs, little is known about population
exposure from RF sources and even less about the relative importance of different sources.
Other cautions are that mobile phone studies to date have been able to address only relatively
short lag periods, that almost no data are available on the consequences of childhood exposure,
and that published data largely concentrate on a small number of outcomes, especially brain
tumor and leukemia.
Supposedly anything above 8 Hz will be a problem
Link.
Globally, the terrestrial surface forms a nearly perfect conductor. The sun’s radiation creates the ionosphere at 70–1,500 km altitudes, and the two spherical conductors form an electromagnetic resonant cavity. Lightning discharges in the cavity create global resonances in the 5–50 Hz range. By measuring these Schumann Resonances one can infer lighting and thunderstorm activity planetary-wide.
Originally posted by WorldShadow
reply to post by mr-lizard
The lower frequencies effect the brain waves of certain people when prolong exposure is induced.
Some times it is so intense it feels like some one drilling through my mind with a high pitched sound device.
Originally posted by WorldShadow
Have you ever heard of brain wave entrainment?. The power of sound to induce the brain into lower/higher states: