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[IP] "Dairy Foods Linked to Less Type 2 Diabetes"
I saw this and thought the list might be interested. Since it is on aol, I
wasn't sure that it was available to everyone.
Dairy Foods Linked to Less Type 2 Diabetes
By Salynn Boyles
WebMD Medical News Reviewed By Michael Smith, MDadvertisement
April 23, 2002 -- Need another good reason to drink your milk? It's well
known that adding dairy to your diet is a good way to build strong bones. Now
new research suggests that it may also lower the risk of type 2 diabetes.
A study from Boston's Children's Hospital and Harvard Medical School found
that overweight young adults who reported high amounts of dairy consumption
were less likely to develop insulin resistance syndrome than young adults
with similar characteristics who did not drink or eat much dairy. Insulin
resistance syndrome, which has been linked to type 2 diabetes and heart
disease, is characterized by obesity, high blood sugar after eating, high
blood pressure, and cholesterol abnormalities (low levels of HDL "good"
cholesterol; high levels of LDL "bad" cholesterol).
While obesity and type 2 diabetes have risen to epidemic levels in the U.S.
over the past three decades, the consumption of dairy products has steadily
declined. Sodas have all but replaced milk in the diets of many children and
teens. The average annual consumption of milk was around 140 gallons for a
family of four in the early 1960s. Today it is just under 100 gallons.
"We know that kids are drinking a lot less milk than they did in past
decades, but it has not been clear what this means in terms of obesity and
diabetes risk," lead author Mark A. Pereira, PhD, tells WebMD.
In this study, Pereira and colleagues evaluated dairy consumption and
subsequent development of insulin resistance syndrome in 3,157 people between
the ages of 18 and 30. All participants were considered overweight but not
obese at enrollment, and none had been diagnosed with insulin resistance
syndrome. At the end of the 10-year study, participants who ate dairy foods
five times per day were 70% less likely to have developed insulin resistance
syndrome than those who reported eating dairy twice a day.
Higher dairy consumption was associated with less insulin resistance and
obesity. The association was the same for blacks and whites.
Stanford University professor Gerald Reaven, MD, was one of the first
researchers to study insulin resistance more than two decades ago. He tells
WebMD that the new study does little to convince him of a link between
insulin resistance syndrome and dairy consumption. He disagrees with the
authors' contention that obesity is a component of insulin resistance
syndrome, and adds that none of the measures they used to assess insulin
resistance were very specific.
"I don't understand why these researchers only looked at people who were
already overweight," he says. "Insulin resistance occurs in both normal
weight and overweight individuals. And the best single measure they used for
assessing insulin resistance was [cholesterol], which wasn't particularly
abnormal in either group."
There is one important point to keep in mind with this study. Although the
researchers did not find any difference between reduced-fat and high-fat
dairy products, they did not factor in fat-free dairy products, such as skim
Skim milk is the dairy product usually recommended by doctors since it has
the healthy minerals of calcium and phosphorus without all the added fat.
More research is needed to really determine the true association between
dairy products and diabetes. But talk to your doctor to see if you should
increase your dairy consumption -- it may do your bones and your blood sugar
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