Anyone read the Zapped book by Ann Louise Gittleman?
There's a lot of controversy regarding electromagnetic pollution. But it's now becoming more mainstream to keep cell phones (and other digital media) further away from the body. etc/
There are some interesting PubMed articles (much of the research outside of the USA):
Occupational exposure of dentists to electromagnetic fields produced by magnetostrictive cavitrons alters the serum cortisol level http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3361780/?report=printable
Arch Environ Occup Health. 2012;67(1):31-6. Exposure to electromagnetic fields from laptop use of "laptop" computers. Bellieni CV, Pinto I, Bogi A, Zoppetti N, Andreuccetti D, Buonocore G. Source Department of Pediatrics, Obstetrics and Reproduction Medicine, University of Siena, Italy. http://www.ncbi.nlm.nih.gov/pubmed/22315933
Clin Exp Reprod Med. 2012 Mar;39(1):1-9. Epub 2012 Mar 31. Effect of electromagnetic field exposure on the reproductive system. Gye MC, Park CJ. Source Department of Life Science and Institute for Natural Sciences, Hanyang University, Seoul, Korea. http://www.ncbi.nlm.nih.gov/pubmed/22563544
Electromagnetic hypersensitivity: evidence for a novel neurological syndrome. McCarty DE, Carrubba S, Chesson AL, Frilot C, Gonzalez-Toledo E, Marino AA. Source Int J Neurosci. 2011 Dec;121(12):670-6. Epub 2011 Sep 5. Department of Neurology, LSU Health Sciences Center, Shreveport, Louisiana 71130-3932, USA. http://www.ncbi.nlm.nih.gov/pubmed/21793784
asked byLady_Arwen (6244)
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on August 04, 2012
at 12:18 AM
"electromagnetic" radiation ranges all the way from gamma- and x-rays down to radio waves and elf radiation. It spans decades and decades of frequencies. Some of it is deadly (gamma-radiation, x-rays in large doses, etc), some of it is completely inert and harmless (radio). Some of it is in-between (uv and visible radiation).
Just because it has scary words like "electromagnetic" and "radiation" doesn't mean it's scary.
I'm not worried about cell phone and the like because it's all in the GHz range, which is non-ionizing and doesn't interact well with anything. Radiation that interacts well with matter (light) doesn't work well for transmission of information because it get absorbed or reflected right away. Radiation that doesn't interact with matter (radio - MHz, GHz) is great because it just passes right through the matter. That's why those frequencies are chosen for wireless communication.
People worry about microwaves (GHz) from cell phones heating up your head, but you have to remember that your microwave oven is 1-2 kW of power and it's focus in a small box. Your cell phone is about 600 mW and set to radiate out of an antenna where the intensity decreases with the square of distance. Those are not even the same other than the name.
Also, go look up black body radiation and see what comes from the sun. I bet that there's more scary electromagnetic radiation coming from the sun as background radiation than comes from any device you carry. The total radiation from the sun across all frequencies is about 1 kW/sq M.
on January 17, 2013
at 12:35 AM