Re: Diet With Low Glycemic Index Slows AMD Progression

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On Thu, 10 May 2007 08:24:53 +1000, "Ozgirl"
<are_we_there_yet@xxxxxxxxxx> wrote:

http://www.medscape.com/viewarticle/556202?sssdmh=dm1.269999&src=nldne

"May 8, 2007 (Ft. Lauderdale) - People whose diet consists of foods that
lead to a high dietary glycemic index have a substantially higher risk of
progression of age-related macular degeneration (AMD), according to recent
long-term results from the Age-Related Eye Disease Study (AREDS).

In fact, consumption of highly refined carbohydrates can lead to up to a 17%
increased risk of AMD progression, according to a poster presented at the
annual meeting of the Association for Vision and Research in Ophthalmology
(ARVO).

G'day G'day Jan,

The eye is one of those organs that is not protected by a barrier
that needs insulin to penetrate so whenever the blood glucose level
rises glucose floods into the eye. Nerves, testes and some other
tissues behave similarly and are likely to suffer similarly from
poorly controlled blood glucose levels. The first line of de fence
against age related macular degeneration is to control blood glucose
levels. There are however some back up defenses that are easy to
implement. There are at least three significant pathways by which
glucose byproducts can damage the eye. Along each of these pathways
is found sorbitol and sugar alcohol. Stop or reduce the formation of
sorbitol and one reduces the risk of age related macular degeneration.
For glucose to turn into sorbitol at a reasonable rate requires an
enzyme. This enzyme can be blocked by quercitin. It's unnecessary to
buy quercetin supplements as a biologically active form is found in
onions and related alliums. The joy of the situation is that
quercetin is heat stable. Cooking the onions doesn't destroy the
quercetin. Of course if you boil the onions and let the cooking water
go down the drain then the quercetin is lost.

If others are interested we could collectively explore some other
strategies.

This newest set of results from AREDS confirms findings from earlier years,
but shows that the effect of diet on AMD is even stronger than previously
thought. The longer-term results show a stronger effect, said Chung-Jung
Chiu, PhD, assistant professor of ophthalmology at Tufts University, in an
interview with Medscape."

Best wishes,
--
Quentin Grady ^ ^ /
New Zealand, >#,#< [
/ \ /\
"... and the blind dog was leading."

http://homepages.paradise.net.nz/quentin
.

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