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Atkins diet has long-term dangers, researchers warn



 
 
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  #1  
Old September 3rd, 2004, 04:44 PM
dawn
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Default Atkins diet has long-term dangers, researchers warn

Associated Press
September 3, 2004

Atkins diet has long-term dangers, researchers warn

LONDON -- Dieters on the popular high-fat, low-carb Atkins approach
lose just as much body fat as those on low-fat diets, but the annoying
low-carb side effects could mean problems down the road, according to
a scientist who reviewed five dozen diet studies.

Danish obesity expert Dr. Arne Astrup, whose survey is published this
week in The Lancet medical journal, concludes that headaches, muscle
weakness and either diarrhea or constipation are reported more often
by Atkins dieters than people on conventional diets. Those side
effects may be signs that the eating plan isn't healthy in the long
run, he says.

However, other experts said the diet remains a viable option for some
because the side effects aren't bad enough to throw them off the
eating plan famous for its shunning of bread, pasta and many fruits.

"More people stayed in the low-carb group than in the low-fat group,
so you've got to wonder how severe those side effects were if more
people kept to the low-carb diet," said William Yancy, a Duke
University researcher who conducted one of the major studies that
Astrup reviewed.

The Atkins diet, which allows unlimited consumption of protein and fat
but drastically limits carbohydrates and does not restrict calories,
has had a following for decades but only recently has come under
serious scientific scrutiny. It has been embraced by an estimated 20
million people worldwide.

In his review, Astrup, director of research in the department of human
nutrition at the Royal Veterinary and Agricultural University in
Frederiksberg, Denmark, examined the evidence from about 60 studies on
the Atkins and other low-carb diets.

Several small studies in the last year or two have surprised the
experts by showing that people lose more weight on the Atkins diet
than on the standard low-calorie, low-fat diet, at least in the short
term, with even better cholesterol improvements.

Longer studies have since shown that when dieters are followed for a
year, the total weight loss ends up almost the same with the two
approaches. The long-term effect on cholesterol has not been studied
yet.

Experts have suspected that the weight loss on a low-carb diet may be
largely due to water loss, because lots of fluid is bound up in the
body's carbohydrate stores that are depleted. However, Astrup said
body composition studies indicated the weight loss is a real fat loss,
not just water.

The most frequent complaints with low-carb diets are constipation and
headache, which are readily explained by the lack of fruit, vegetables
and whole grains, Astrup said.

Also, bad breath, muscle cramps, diarrhea, general weakness and rashes
are more often reported on low-carb diets than on low-fat diets,
Astrup found.

"The majority had some of these side effects in the Atkins group. In
the control group, almost nothing," he said.

These side effects are consistent with carbohydrate deficiency,
because the brain and muscle do not get enough sugar from
carbohydrates to maintain their normal function, Astrup said.

"We have known for many years that there is a minimum intake of
carbohydrate necessary to maintain the normal function of your body
and that is approximately 150 grams a day," he said. "But, if on the
Atkins diet you go down to 20 to 30 grams in the induction phase, then
maybe go up to 100 grams, still you are far below what your body
needs."

The body can coast along for a while with the carbohydrate stores in
the liver and the muscles, but eventually problems start to occur,
Astrup said.

"I think these symptoms are signs that something is wrong," Astrup
said.

But Yancy, the U.S. researcher, said side effects were seen not just
after six months but also at the beginning and could have been from
dehydration, which is easily overcome.

"We know that it works," Yancy said. "I think it's good that people
are acknowledging that this diet might be an option for people. ...At
this point, we need options for people and when we're looking for
options we need to consider even things that go against our judgment
sometimes."

  #2  
Old September 3rd, 2004, 06:06 PM
phoenix
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dawn wrote:

Atkins diet has long-term dangers, researchers warn


As if the Atkins fans would care. Diet is religion and claiming their
religion has long term risks is not acceptable for them.

So drop it.
  #3  
Old September 3rd, 2004, 06:06 PM
phoenix
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Default

dawn wrote:

Atkins diet has long-term dangers, researchers warn


As if the Atkins fans would care. Diet is religion and claiming their
religion has long term risks is not acceptable for them.

So drop it.
  #4  
Old September 3rd, 2004, 06:20 PM
Cinnamn112
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Default

I used to be on Atkins, and I didn't care, until my hair started falling out.
I wondered what else it was doing to me that I couldn't see.

Now that I'm on the "outside loop," I see how insane the Atkins diet is. I
roll my eyes when I see a new low-carb product advertised on TV... it's just
not healthy.

Jen
228/188/153
  #5  
Old September 3rd, 2004, 06:20 PM
Cinnamn112
external usenet poster
 
Posts: n/a
Default

I used to be on Atkins, and I didn't care, until my hair started falling out.
I wondered what else it was doing to me that I couldn't see.

Now that I'm on the "outside loop," I see how insane the Atkins diet is. I
roll my eyes when I see a new low-carb product advertised on TV... it's just
not healthy.

Jen
228/188/153
 




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