On the water filter/polar pure thread, John LeBlanc wrote:
-----Original Message-----
<snip>
To Polar Pure or Filter, that is the question. Ah, sounds like Caesar!
And where did the statement in one post "thyroid stimulating" iodine come
from anyway? Better do some homework on that one, iodine does not stimulate
the thyroid gland. The thyroid gland collects it and uses it for necessary
bodily functions.
OK, on my last PhilTrek, one Scout was alergic to iodine. Or so his father
said anyway.
It's a proven fact that the amount of iodine used in Polar Pure usually is
not enough to cause a reaction even in those allergic to it. That is
something one must work out for themselves.
<snip>
John LeBlanc
Philmont 1959
We either boiled it or Halazoned it and didn't whine or complain
In a similar thread last November, Dr. Bob wrote:
Some clarifications:
<snip - discussion of interactions between Polar Pure and vitamin C>
3) If anyone in your Crew has a thyroid condition (something you should
specifically ask during an "all-hands" meeting where parents are present),
then they cannot use Polar Pure. I am not an MD, but it is my understanding
that even iodide ions ("dead" iodine remaining after treatment with Vitamin
C or some other similar agent) will still cause a thyroid to go haywire,
same as iodine. In such cases, that person will need to use a chlorine based
purification method, or go with a good filter THAT DOESN'T ALSO HAVE A
PURIFIER IN IT (since those purifiers are - you guessed it - iodine based).
<snip-discussion of chlorine bleach as an alternative> If you have a Crew
member with a thyroid condition, you need to be equally mindful of what
water is used to prepare your meals. Meals requiring boiling water don't
need purified water, but cold water desserts that do, also represent a
danger. If you have no-one on your trek with a thyroid condition, but by
about Day III you have a Scout or Advisor claiming that they are absolutely
exhausted but still can't sleep at night, and they're drinking Polar-Pure'd
water, you should suspect an undiagnosed thyroid condition, and contact Base
Camp for advice.
<snip>
- Dr. Bob
>Ched Hudson
ASM, Troop 994
Fairfax Station VA
Philmont 67, 04 (Wow...haven't thought about Halazone, or Tetrox, since I
came off the trail in '67!)
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Received on Wed Sep 8 09:40:51 2004
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