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Medical Forum / General / Nutrition / February 2006

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Proven benefit from Grains that is not available from fiber in fruits or vegetables

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Mr-Natural-Health - 18 Feb 2006 16:05 GMT
This JAMA study, the full text of which is available online for FREE,
studies which type of fiber is best for preventing CVD. This study
statistically concluded that those consuming 2 slices of whole wheat,
rye, or pumpernickel bread will have a 21% lower risk of a CVD
incident in their elderly years.

> Cereal Fiber May Lower Heart Risks in Elderly
> "Reuters Health
> Tuesday, April 1, 2003
>
> NEW YORK (Reuters Health) - People over 65 appear less likely to
> develop cardiovascular disease if they eat fiber-rich cereals or
> dark breads such as wheat, rye or pumpernickel, researchers said
> Tuesday.
...
> SOURCE:
> Dariush Mozaffarian; Shiriki K. Kumanyika; Rozenn N. Lemaitre.
> Cereal, Fruit, and Vegetable Fiber Intake and the Risk of
> Cardiovascular Disease in Elderly Individuals
http://jama.ama-assn.org/cgi/content/abstract/289/13/1659
> JAMA. 2003;289:1659-1666.
> ABSTRACT:
> "Conclusions  Cereal fiber consumption late in life is
> associated with lower risk of incident CVD, supporting
> recommendations for elderly individuals to increase consumption
> of dietary cereal fiber."
...
> Although eating more cereal fiber -- particularly from dark
> breads -- appeared to reduce cardiovascular risks in this study,
> fiber from fruits and vegetables showed no protection."

This is a landmark study.  I have made a copy of the
full text of this JAMA paper from my local library.  And, I am in the
process of studying it.

As some of you may already know, there is a large group of people out
there who object to any consumption of food from the GRAINS food
group.  They claim that GRAINS have been in the human diet for less
than 10,000 years and are therefore harmful to humans.

But, here we have a study that clearly shows a tangible benefit from
Grains that is not available from fiber in fruits or vegetables.
Futher, this benefit can be obtained by eating only 2 slices of the
right kind of bread a day.

So, I will be adding this paper to my web site as proof of the value
of eating GRAINS.

This study basically concluded that those consuming 2 slices of whole
wheat, rye, or pumpernickel bread will have a 21% lower risk of a CVD
incident in their elderly years.
--
John Gohde,
    Achieving good Nutrition is an Art, NOT a Science!

The nutrition of eating a healthy diet is a biological factor of the
mind-body connection. Weighing in at 17 web pages, The Nutrition of a
Healthy Diet ( http://naturalhealthperspective.com/food/ ) is now with
more documentation and sharper terminology than ever before.
TC - 19 Feb 2006 02:48 GMT
more interesting reading:

http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstra
ct&list_uids=15531663&query_hl=1&itool=pubmed_docsum


Dietary fats, carbohydrate, and progression of coronary atherosclerosis
in postmenopausal women.

Mozaffarian D, Rimm EB, Herrington DM.

Channing Laboratory, Department of Medicine, Brigham and Women's
Hospital and Harvard Medical School, Harvard School of Public Health,
Boston, Massachusetts, USA. dmozaffa@hsph.harvard.edu

BACKGROUND: The influence of diet on atherosclerotic progression is not
well established, particularly in postmenopausal women, in whom risk
factors for progression may differ from those for men. OBJECTIVE: The
objective was to investigate associations between dietary
macronutrients and progression of coronary atherosclerosis among
postmenopausal women. DESIGN: Quantitative coronary angiography was
performed at baseline and after a mean follow-up of 3.1 y in 2243
coronary segments in 235 postmenopausal women with established coronary
heart disease. Usual dietary intake was assessed at baseline. RESULTS:
The mean (+/-SD) total fat intake was 25 +/- 6% of energy. In
multivariate analyses, a higher saturated fat intake was associated
with a smaller decline in mean minimal coronary diameter (P = 0.001)
and less progression of coronary stenosis (P = 0.002) during follow-up.
Compared with a 0.22-mm decline in the lowest quartile of intake, there
was a 0.10-mm decline in the second quartile (P = 0.002), a 0.07-mm
decline in the third quartile (P = 0.002), and no decline in the fourth
quartile (P < 0.001); P for trend = 0.001. This inverse association was
more pronounced among women with lower monounsaturated fat (P for
interaction = 0.04) and higher carbohydrate (P for interaction = 0.004)
intakes and possibly lower total fat intake (P for interaction = 0.09).
Carbohydrate intake was positively associated with atherosclerotic
progression (P = 0.001), particularly when the glycemic index was high.
Polyunsaturated fat intake was positively associated with progression
when replacing other fats (P = 0.04) but not when replacing
carbohydrate or protein. Monounsaturated and total fat intakes were not
associated with progression. CONCLUSIONS: In postmenopausal women with
relatively low total fat intake, a greater saturated fat intake is
associated with less progression of coronary atherosclerosis, whereas
carbohydrate intake is associated with a greater progression.

*********

By the same author.

TC
montygram - 19 Feb 2006 06:52 GMT
TC:

Don't try to reason with this character.  He appears to be a deluded
megalomaniac, if you haven't noticed already.  Let him eat his whole
wheat bread with safflower and fish oil spread all over it.  Then, it
won't be long before we never hear from him again.

For those who want to know what it really going on (at the molecular
level), a recent experimental study (as opposed to the
association/correlations ones that make all kinds of unreasonable
assumptions before they even start it) is right on point particularly
the statement:

"...endogenously produced [that is, it is produced in your body, by
your cells, because you ate omega 6s beyond a threshold amount]
8-iso-PGF(2a) during oxidant stress induces prostaglandin formation
presumbly through the classical cyclooxygenase-catalysed arachidonic
acid oxidation which might be inflammatory itself to the cells..."

Whole grains might indeed "mop up" some of the omega 6 PUFAs and remove
them from the body, as well as perhaps having antioxidant properties,
but simply avoiding omega 3 and 6 PUFAs to begin with makes the most
sense.  Then, you can just eat bread in moderation made with
unbleached, organic flour, and you don't have to worry about "fiber" of
any kind.

Free Radic Res. 2006 Mar;40(3):273-7.

F(2)-isoprostane induced prostaglandin formation in the rabbit.

Basu S.

Uppsala University, Section of Clinical Nutrition and Metabolism,
Department of Public Health and Caring Sciences, Faculty of Medicine,
Uppsala Science Park, Uppsala, SE, 751 85, Sweden.

F(2)-isoprostanes, non-enzymatic free radical mediated products of
arachidonic acid, have shown to form during various oxidant stress
status and have potent biological effects. This study investigates to
what extent 8-iso-PGF(2a) (a major F(2)-isoprostane), a bioactive
product of lipid peroxidation can modify endogenous prostaglandin F(2a)
(PGF(2a)) formation since prostaglandins are inflammatory as well as
potent vasoregulatory substances that modulate diverse important
physiological functions, and also form during acute and chronic
inflammation. An immediate appearance and disappearance of
8-iso-PGF(2a) was seen in both plasma and urine within a short interval
after i.v. administration of 43 microg/kg of 8-iso-PGF(2a) to the
rabbits. A successive but differential formation of PGF(2a) resulted in
a rapid and pulsatile increase of plasma 15-keto-dihydro-PGF(2a), a
major metabolite of primary PGF(2a). Later, this compound was excreted
efficiently as intact compound into the urine during the 3 h of
experiment. A 8-fold increase of PGF(2a) metabolite in plasma at 10 min
and 12-fold increase in the urine at 30-60 after the i.v.
administration of 8-iso-PGF(2a) was observed which continued throughout
the 3 h of experiment. This observation suggests that pharmacologically
administered or endogenously produced 8-iso-PGF(2a) during oxidant
stress induces prostaglandin formation presumbly through the classical
cyclooxygenase-catalysed arachidonic acid oxidation which might be
inflammatory itself to the cells and exerts further vasoconstrictive
effects.
Mr-Natural-Health - 19 Feb 2006 14:21 GMT
http://naturalhealthperspective.com/food/whole-grains.html
!8 Full Text Research Studies and One Editorial supports the Many
Health Benefits of Whole-Grains.

Where is the proof for your Kooky Anti-Nutrient ideas?  And, please do
not try to con me into believing that you Kooks remotely know what
caveman ate in the Garden of Eden.
--
John Gohde,
    Achieving good Nutrition is an Art, NOT a Science!

The nutrition of eating a healthy diet is a biological factor of the
mind-body connection. Now, weighing in at 18 web pages, the
Nutrition of a Healthy Diet is with more documentation and
sharper terminology than ever before.
http://naturalhealthperspective.com/food/
 
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