audio speakers and cancer 
Author Message
 audio speakers and cancer

Hi, I have a question regarding audio speakers and brain cancer.  My
brother died of brain cancer several years ago, at about the same age
that I am now, so I am a bit leery of things that might cause an
increase in risk of devloping brain cancer.  Anyway, ever since
childhood I have used buzzing sounds or white noise to aid in sleep.
There is just something very soothing about hearing a constant buzz
(or white noise from a program on my PC), and I sleep much better when
the buzz is present.  My favorite buzzing sound is actually from the
alarm function of a radio/clock made by General Electric a long time
ago (I would guess the late 1970's), a model C4315A.  Well, I have
over the past few months taken up the habit of sleeping with the
speaker of the clock a couple of inches from my ear, because it feels
much more soothing than leaving it several feet away on a table.

The speaker is 3.5 inches wide.  So my question is this: does this
1970's, 3.5 inch wide, speaker pose an increased risk of brain cancer
if it is so near my ear for several hours at a time?  I read in an old
newsgroup message that MRI's irradiate the head with EM fields that
are several orders of magnitude greater than a speaker could generate,
and nobody has problems with those, but then nobody has an MRI for 7
hours a day every day.  Any thoughts?  Thanks a lot!



Thu, 06 May 2004 11:20:48 GMT
 audio speakers and cancer


Quote:
> Hi, I have a question regarding audio speakers and brain cancer.  My
> brother died of brain cancer several years ago, at about the same age
> that I am now, so I am a bit leery of things that might cause an
> increase in risk of devloping brain cancer.  Anyway, ever since
> childhood I have used buzzing sounds or white noise to aid in sleep.
> There is just something very soothing about hearing a constant buzz
> (or white noise from a program on my PC), and I sleep much better when
> the buzz is present.  My favorite buzzing sound is actually from the
> alarm function of a radio/clock made by General Electric a long time
> ago (I would guess the late 1970's), a model C4315A.  Well, I have
> over the past few months taken up the habit of sleeping with the
> speaker of the clock a couple of inches from my ear, because it feels
> much more soothing than leaving it several feet away on a table.

> The speaker is 3.5 inches wide.  So my question is this: does this
> 1970's, 3.5 inch wide, speaker pose an increased risk of brain cancer
> if it is so near my ear for several hours at a time?  I read in an old
> newsgroup message that MRI's irradiate the head with EM fields that
> are several orders of magnitude greater than a speaker could generate,
> and nobody has problems with those, but then nobody has an MRI for 7
> hours a day every day.  Any thoughts?  Thanks a lot!

There isn't the slightest bit of evidence that it is dangerous. It may be,
but there is no evidence.


Thu, 06 May 2004 11:42:28 GMT
 audio speakers and cancer

Quote:

> The speaker is 3.5 inches wide.  So my question is this: does this
> 1970's, 3.5 inch wide, speaker pose an increased risk of brain cancer
> if it is so near my ear for several hours at a time?  I read in an old

A speaker is converting electrical energy into acoustic energy, and at
the low volume you are probably using, there isn't going to be
substantially more RF energy from the clock radio than you are being
exposed to watching TV, sunning yourself, talking on a cell phone etc.
and probably far less, especially if the circuit feeding the speaker has
noise filtering capabilities to improve audio fidelity and extend the
life of the speaker coil. I have not heard of any class action lawsuits
against headphone manufacturers, and the only warnings I have ever seen
associated with wearing headphones were concerned with the possibility
of ear damage and hearing loss due to listening at high volume. Sleep
tight... ;^]

--

            _o                   Kristofer Dale,
         _ \<,_                  ragged individualist,
   _____( )/ ( )_____            statistic at large...

p.s. Learn and live, http://www.vitaletherapeutics.org



Fri, 07 May 2004 10:51:51 GMT
 
 [ 3 post ] 

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