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Paleolithic Eating Support List <[log in to unmask]>
Date:
Sun, 25 Feb 2001 19:53:36 -0700
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*********First  it is hard to delete any of the following
without then making unsupported statements
----- : [P-F] High-Fat Diet Linked With Impaired Brain
Function


> Andrew wrote:
> <<Is Uni of Toronto the Canadian equivalent of Harvard?>>
>
> Errr, it is a well-respected University (do you know that
the first studies
> leading to the development of the glycemic index were done
there?) but
> likely more publicly-funded than Harvard.  Increasingly,
however, medical
> research at Canadian Universities is at least partially
privately-funded
> (i.e., pharmaceutical companys), setting up some
interesting ethical
> quandaries.  Now, more than ever, we always need to ask
ourselves, "who is
> funding this research?"  Its a generally well-recognized
truth than you can
> design research to give you whatever conclusion you want
before starting the
> research.
**Well founded research will show the elimination of bias in
how it is set up.
>
> <<WESTPORT, CT (Reuters Health) Feb 22 - The results of
animal studies
> suggest that a high-fat, carbohydrate-poor diet may impair
brain function
> over time, according to researchers at the University of
Toronto.
>
> Rats that were fed high-fat diets were slower in learning
new tasks
> compared with rats fed a standard diet, investigators
report in the March
> issue of Neurobiology of Learning and Memory. The high-fat
diet animals
> also performed more poorly on tests of learning and
memory.>>
>
*********At this date in History the statement "high-fat,
carbohydrate-poor diet "  is entirely to vague to be of any
use.

> According to the below summary of studies, lack of carbs
may be more
> responsible for impaired brain function than a "high fat
diet".
>
> Anyway, here's a Nutrition News Focus looking at "sugar"
and brain function
>
> Sugar Makes You Smarter
>
> A provocative statement but supported by the
facts.*************   It is doubtful that all the pertinent
facts were included.   Such as what diet were the subjects
eating prior to the test time.  What kind of "fats"  what
kind of "carbs"?

>> A number of studies have
> previously shown that young children did better in school
when they ate
> sweetened breakfast cereals and that adults also scored
better when
> consuming glucose compared with placebo. Now, a study in
20 healthy elderly
> people shows that consumption of carbohydrates in the
morning led to better
> memory and task performance. The study appeared in the
September 2000 issue
> of the American Journal of Clinical Nutrition.
******
Yes when a person's metabolism is adjusted to simple carbs;
It may take some time to effectively used complex carbs.


> Similar benefits were seen with consumption of glucose,
potatoes, or barley.
> People who ate carbohydrates were better able to recall
lists of words, pay
> attention, and connect numbers assigned randomly on a
page. Although the
> foods were not significantly different from each other,
there was a trend to
> better performance with glucose and lower performance with
barley. The blood
> glucose level of the subjects was not related to the
results of this study.
>

Again  what was the normal diet of the subjects prior to the
test


> HERE'S WHAT YOU NEED TO KNOW: The preferred fuel source
for your brain is
> glucose, the form of sugar the body makes in the liver if
you don't eat
> enough carbohydrate. Regulation of blood sugar is
connected to mental
> performance in all age groups. This is yet another reason
not to follow fad
> diets that promise to keep blood sugar at constantly low
levels. In fact,
> the elderly with the best insulin sensitivity and lowest
body-mass index had
> the worst initial cognitive performance.
>
***Here comes the recommendation based on insufficient
data.>
> ABOUT NUTRITION NEWS FOCUS
>
> Do you want to make sense of all the confusing nutrition
news you're
> bombarded with every day? Are you tired of hearing that
some food is good
> for you on Monday morning, only to hear that it's "poison"
on Friday
> afternoon? Now when nutrition news gets confusing, there
IS a place to go to
> get the real story.

********
It will be interesting to see if this source is any better
then the "conventional wisdom"  repeated over and over by
the establishment authorities.

> Our FREE daily email newsletter, Nutrition News Focus,
helps you make sense
> of it all. It's written by Dr. David Klurfeld, Chairman
and Professor of the
> Department of Nutrition and Food Science at Wayne State
University. (We're
> not connected with the University, nor with any food or
supplement company.)
> Find out what our readers are saying about us by clicking
here.

*******Nothing to click on.
>
> Join the researchers, educators, physicians, nurses,
nutrition
> professionals, journalists and concerned consumers all
over the world who
> read Nutrition News Focus every day. The messages are
short and to the
> point. (The above article was originally a complete issue
of the
> newsletter.)

***That is a poor recommendation!
>
> The best way to subscribe is to send a blank email to
> [log in to unmask]
> However, you can also subscribe using the form below.
******
That's  done so we'll see

> Rob

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