Fiber
is defined as that portion of the food that is indigestible. It is found in
plants in two broad categories – soluble and insoluble. The soluble fiber soaks
up moisture and makes a kind of gelatinous slurry (a little bit like Jell-O) in
the small intestine. This slows the movement of nutrients so that the meal is
“delivered” to the bloodstream in five to six hours rather than in a much
shorter time. This long-lasting, smooth delivery of nutrients (including sugar)
allows the body to control blood sugar levels. If refined carbs are in our
food, there are blood sugar spikes followed by dramatic lows as the body
struggles to control the unexpected surges of nutrient delivery.
Imagine a
group of people standing in a swimming pool filled with shoulder-deep molasses.
Let’s say they are instructed to get out of the pool as fast as possible. They
struggle through the thick goo to the pool edge and climb out. Obviously it
would take much longer to get out than it the pool had water in it. Let’s let
the pool represent the small intestine and the people represent the nutrients
that are being sorbed into the bloodstream (leaving the pool). The fiber turns
the water in pool into molasses. A refined diet would result in a more
“waterlike” environment in the small intestines! A slower delivery of nutrients
to the bloodstream is critical for good health.
Another benefit from
fiber, though not such an immediate issue in diabetes, is that the insoluble
fiber binds itself to the bile our bodies make (almost pure cholesterol) and
other forms of cholesterol that came from our diet. These “hooked-together”
molecules of cholesterol and fiber are too large to be absorbed into the
bloodstream and so are excreted – which means this bound cholesterol is not
absorbed into the blood. The obvious effect is a lowering of our (blood serum) cholesterol.
The physicians we work with in the Reversing Diabetes program believe that
approximately 65 to 70 percent of a diabetic’s recovery is from exercise. They
have found that diabetics aren’t likely to get well unless they exercise at a
level equivalent to walking four miles each day.
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