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Re: [IP] FW: NNF - Low-Carb Diet Bad for Bones and Kidneys
> Date: Tue, 17 Sep 2002 08:16:57 -0400
> From: "Handsfield, James H. (PHPPO)" <
> Dear friends,
> In light of some recent threads, I thought the following might be of
> interest. It's forwarded with permission in its entirety. Subscription
> information is at the end.
> Jim Handsfield
> email @ redacted
> The opinions expressed are mine alone and do not necessarily represent
> of my wife who runs our house and makes more important decisions than I
> > -----Original Message-----
> > September 17, 2002
> > NUTRITION NEWS FOCUS
> > "Nutrition news is important. We help you understand it!"
> > Today's Topic: Low-Carb Diet Bad for Bones and Kidneys
> > The high level of interest in low carbohydrate diets, which are high
> > in protein and fat, motivated scientists to study the safety of such
> > programs. Ten healthy subjects ate their usual diets for two weeks, a
> > severely carbohydrate-restricted diet for two weeks, followed by a
> > moderately restricted diet for four weeks.
> > The acid load in urine was increased significantly, raising the risk
> > of kidney stones. At the same time, calcium in the urine increased by
> > over 60 percent. The increased calcium excretion was not compensated
> > by increased absorption from the intestine. Therefore, calcium
> > balance decreased by 40 mg per day or about five percent of usual
> > intake. The study appeared in the August 2002 edition of the American
> > Journal of Kidney Diseases.
> > HERE'S WHAT YOU NEED TO KNOW: Although this study was
> > too short to observe a change in bone density, if this pattern were
> > followed over years, it would almost certainly lead to osteoporosis
> > and possible kidney stones. Although the number of subjects is small,
> > this is compelling evidence against unbalanced diets.
Thanks for sharing this. I have been low carbing for more than 5 years, and
so far so good, but I will ask my doctor to continue to keep an eye on all
these things. It's always best to be as careful as you can. Right now,
since I am soooo sensitive to carbohydrates, I will opt to continue my low
carb approach, however, it's always best to have access to information.
Thanks again. By the way, I have eliminated red meat entirely and have
restricted my intake of protein to fish, tofu, other soy products and very
occasionally, chicken (no skin). It would be interesting to know what the
study's "low carb" diet consisted of. I'll check out the link you provided.
Happy pumping to all!
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