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Re: Okay-Here I go again..question about Soy Products.....

From: Belle (anonymous@obgyn.net)
Sat, 2 Mar 2002 16:35:03 -0600 (CST)

Anne, I would be interested in any research that you have that proves actual damage to the kidneys from a high protein diet. I am not aware of any tests that actually indicate this. I am aware of several research projects that have failed to come to this conclusion and at least two studies that indicate that the opposite may be true. Dr. Mariam Blum (Archives of Internal Medicine - 1987) compared the kidney fuction levels of vegaterians and subjects who ate a high protein diet and found that there was not difference in the preformance of the kidneys (with respect to "kidney age") in either group.

Remer and Mantz (Journal of Nutritional Biochemistry) did a study on weightlifters who ate excessive amounts of protein and their kidney function was improved.

As far as the calcium inhibition, Herta Spencer,, M.D. "has published a number of papers" showing no correlation between eating meat (specifically meat, not other proteins) and "the loss of calcium in the urine". - This is a quote from Michael Eades, M.D. and Mary Dan Eades M.D. (Protein Power) Some additional information on this subject: http://www.westonaprice.org/myths_truths/myths_truths_bones.html http://kevingong.com/Health/protein.html. This one is not a research study but an article which covers high protein diet in general and list the research of Dr. Spencer as a reference: http://www.femalemuscle.com/health/protein.html

Barbra, Soy has been proven, time and again not to have some of the benefits that have been attributed to it. Most recently, American Journal of Clinical Nutrition January 2002, Soy is proven not to have an affect on blood levels of hormones and not helpful in post-menapausal women as relief for hot flashes as well as other menapausal symptoms.

It is interesting however that even though soy does not increase blood values of estrogen, it does seem to have an effect on bone mineral density which indicates that it is likely to have an effect on the body notwithstanding the blood values. (same reference). It would be a personal decision about whether it is worth the risk in effecting our hormone levels.

At Fri, 1 Mar 2002, Anne wrote: >
>I agree with your friend about the high protein/low carb diet not being
>great. High protein will effect your kidney functioning and may inhibit
>your calcium absorption.
>
>At Thu, 28 Feb 2002, Barbra wrote:
>>
>>There has been alot of hoopla on the positive results of soy....but now
>>I am reading the complete opposite.
>>I had been implementing soy products daily now for almost six months via
>>the advice of a friend who is a nutritionist at the hospital.My doctor
>>agrees...what do I do?BTW -she is totally against me with my high
>>protein diet......ugg to her..she does not know what we go thru trying
>>to maintain a normal weight. I also find that the meals at the hospital where she
>>works are pretty high in carbs for some reason.Noticed it when my now
>>deceased father in law was in the hospital where she works.
>>Barbra Camara
>>

--
Hope this helps,


Belle



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