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Diabetes
Diet?
The
Sweet Truth about Diabetes?
What
Kind of Diabetes Do You Have?
Diabetes
Diet
Protein
Proteins
should provide 12% to 20% of calories. One gram of protein contains four
calories. Studies are showing that reducing proteins in the diet helps
slow the progression of kidney disease in both diabetics and nondiabetics.
Some experts recommend that anyone with diabetes other than pregnant women
should restrict protein to about 0.4 grams for every pound of their ideal
body weightabout 10% of daily calories. It should be noted that, although
it is a very rare occurrence, a severely low-protein low-salt diet coupled
with high fluid intake increases the risk for hyponatremia, a condition
that can cause fatigue, confusion, and, in extreme cases, can be
life-threatening.
Fats
and Oils. It is generally advised
that total fats should provide no more than 30% of the diet, with
saturated fats at a 10% maximum. People with heart disease, with high
levels of low-density lipoprotein (LDL) cholesterol, or those trying to
lose weight should reduce total fat to 20% to 25% of their caloric intake
with no more than 7% from saturated fats. They should also keep their
daily cholesterol intake below 200 milligrams. African American women
appear to be specifically vulnerable to harm from saturated fats,
including being more at risk for insulin resistance than non-African
American women.
Saturated
fat should be avoided whenever possible. Although mostly derived from
animal products, saturated fat is also found in a number of tropical oils
-- palm, coconut, and cocoa butter. People with diabetes should avoid
fried foods. Fish and poultry with the skin removed are preferable to red
meat. Cutting out cold cuts, gravy, and eating low-fat or skim milk
cheeses help to reduce saturated fat intake.
Other
culprits for heart disease risk are trans-fatty acids -- vegetable oils
that have been hardened through a process of hydrogenation. Some reports
indicate they may even have a worse effect on cholesterol than saturated
fats, because they not only increase harmful LDL cholesterol levels but
they also reduce the beneficial HDL levels. Hydrogenated fats are
contained in stick margarine, shortening, and many fast foods and baked
goods, including most white breads. When buying margarine, look for the
liquid tub form made from poly- or monounsaturated fats.
The
press has produced conflicting reports on the benefits of monounsaturated
fats (found in olive oil, canola oil, some nuts, and avocados) versus
polyunsaturated fats (present in sunflower oil, safflower oil, soybean
oil, and corn oil). At this time, they appear to have similar beneficial
effects on lipid levels. Some studies have found improved triglyceride
levels and no difference in glucose control with diets high in
monounsaturated oils compared with those high in carbohydrates. Calorie
intake was the same for both diets. Nut oils, such as peanut oils, may be
particularly beneficial. More studies are needed on the benefits of diets
high in monounsaturated fats versus the risk for weight gain in type 2
diabetics. Fish oil, which contains an important compound called omega-3
fatty acid, may improve triglyceride levels. Studies have indicated,
however, that fish oil is associated with an increase in blood
sugar, and a number of studies have found no overall benefit to the heart
from fish oil supplements. (Eating fish itself at least twice a week,
however, appears to offer many health benefits.)
One
teaspoon of any kind of fat, whether it's olive oil or butter or lard,
equals about five grams, or 45 calories. (One gram of all types of fat is
equal to 9 calories.) Fat substitutes are also available or in
development. One of these, olestra, is made from sugar and vegetable oil
and is passed from the body without leaving any calories from fat behind.
(It should be noted that foods containing this substance -- usually snacks
-- still have calories from carbohydrates and proteins.) Some people have
experienced cramps and mild to severe diarrhea after eating olestra. The
fat substitute also depletes the body of vitamins A, K, D, and E and also
possibly cancer-fighting nutrients. Manufacturers must now add back
vitamins but not important nutrients, such as carotenoids
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