I've mentioned this before that I've spent considerable time and some
money tracking the sources of claims like this. As far as i could
determine this one originates from experiments on rats in the mid
80's. Rats were fed VERY HIGH doses of silver nitrate until they
started to exhibit cranky behaviour. It took about 145 days as I
recall. I don't think the rats ever suffered from seizures but the
scientists theorized that continuing the experiment MIGHT have lead
to seizures, just as exposure to some genuinely toxic metals might
cause seizures. But they also concluded that the experiments didn't
have much to do with real human intake because the dosages were
vastly more than a human would consume. (Anyway, the general health
of 'the blue man' would seem to put a lie to any suggestion that CS
can cause anything other than cosmetic problems).
Another popular list of colloidal silver dangers includes 'fever,
chills, nausea, headache, fatigue, muscle aches, and joint pains.'
This list exists because someone theorized that inhaling or
ingesting silver MIGHT cause the same symptoms as 'Metal Fume Fever'
http://en.wikipedia.org/wiki/Metal_fume_fever. Metal fume fever is
most often caused by inhaling lungfulls of fumes while welding zinc
coated (galvanised) steel.
(I'm not making this up. Metal Fume Fever is actually listed as a
possible CS danger in the Natural Medicines Database. The NACCM uses
that database as one of its major references. http://nccam.nih.gov/
health/alerts/silver/)
Basically, all the life threatening dangers that CS supposedly can
cause are unproven theories. Colloidal silver is simply 'guilty by
association'. (Mercury and lead are toxic right? They are metals
right? Silver is a metal right? So silver must be toxic too right?)
When you really try to track down hard evidence for any of these
claims you find that the trail just fizzles out. Or at best, at the
end of the trail, you'll just find a 'theory'.
Don't be fooled into thinking that, just because someone gives a
reference for their claim, that the reference contains original
research that actually proves anything! Usually that reference just
leads to another reference, that leads to another reference, etc, etc.
Regarding silver and cancer, the biggest and most thorough report I
found was from the US Environmental Protection Agency Risk
Information System. It was about 150 pages long and investigated
silver usage and exposure in the REAL world. (You can find it on the
net)
(I quote..)
"There are no medical reports of silver of any kind causing cancer in
humans, either by ingestion, inhalation, injection, or contact.
"No evidence of cancer in humans has been reported despite frequent
therapeutic use of the compound over the years."....
"They concluded that finely divided silver powder injected i.m. does
not induce cancer." ....
"Further support for the lack of silver's ability to induce or
promote cancer stems from the finding that, despite long standing and
frequent therapeutic usage in humans, there are no reports of cancer
associated with silver." ....
"Silver nitrate was considered nonmutagenic in this assay." ....
"Silver chloride was considered nonmutagenic in this assay.".....
"Silver was not included as a metal of carcinogenic concern.".
(End of quote)
Regards
David
From: Marshall Dudley <mdud...@king-cart.com>
Date: 20 February 2008 9:38:28 AM
To: silver-list@eskimo.com
Subject: Re: CS>Fw: Blue Man on Oprah-Short Version
faith gagne wrote:
I thought Oprah's show with the blue man was mostly a whole bunch
of nothing. Faith G.
----- Original Message -----
*From:* Carl Deb Charter <mailto:carl...@charter.net>
*To:* silver-list@eskimo.com <mailto:silver-list@eskimo.com>
*Sent:* Tuesday, February 19, 2008 1:21 PM
*Subject:* CS>Fw: Blue Man on Oprah-Short Version
http://www2.oprah.com/health/oz/slide/20080219/
oz_20080219_350_101.jhtml
My wife ran up here a little while ago, "Doctor Oz says that
colloidal silver will cause seizures" she told me in a near panic.
I had to reassure her that no one has EVER gotten a seizure from
colloidal silver, and that that statement is simply made up. There
are no papers, or even incidents that support it. It has never
happened. Apparently since certain compounds of silver are used
for staining nerves for viewing under a microscope someone has made
the big leap to that it can cause seizures, with absolutely no
evidence. There are several things wrong with this. First, what
they stain with is NOT colloidal silver. Second, there is a
barrier to silver that prevents it from making it to nerves. And
third, there are no documented cases of it ever happening. The
process involves treating the tissue with silver nitrate at 40 C
(uggg), then concentrated ammonium hydroxide, then placing into 5%
sodium thiosulfate solution ( http://www.ihcworld.com/_protocols/
special_stains/bielschowsky.htm ) What does this have to do with
colloidal silver? Basically nothing. Simply nonsense to confuse
those who are unable to think for themselves.
Marshall
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