textfiles/reports/ACE/fibre.txt

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ARRoGANT CoURiERS WiTH ESSaYS
Grade Level: Type of Work Subject/Topic is on:
[ ]6-8 [ ]Class Notes [Essay about Dietary ]
[ ]9-10 [ ]Cliff Notes [Fibers ]
[x]11-12 [ ]Essay/Report [ ]
[ ]College [x]Misc [ ]
Dizzed: 10/94 # of Words:532 School: ? State: ?
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GUT ISSUES Life Sciences SIG
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We share many experiences with the kings of old: pastries, for
instance, and home entertainment and vacation trips to far-off lands.
Ancient-day common folk knew nothing of such things. Then again, they
weren't constipated...
We are. Not all of us, of course. But enough Canadians so that some
doctors call our a constipated society. And even if you're not
constipated, your present day diet may be leading you to more serious
complaints like disorders of the large intestine or colon. These, too,
were afflictions of of the upper classes of old. Why? Because in general
the rich refined their food, along with their lives, and so stripped it of
an odd but essential ingredient called dietary fibre.
Like its fellow carbohydrates, the various types of dietary fibre are
the product of sunlight, water and carbon dioxide combining in green
plants. Most form part of plant cell walls. But unlike the other
carbohydrates, fibres do not break down into sugars in the human digestive
system and then course through the blood stream fueling muscles and nerves.
Rather, when eaten they tumble intact through the stomach and small
intestine and end up in the colon where billions of bacterial feed on them
- in turn producing intestinal gas. No wonder, then, that dietary fibre
has been unwelcome in many of history's nicer neighborhoods.
Even 20th century doctors reasoned that since the bulky material
provided not a single nutrient, it would only strain already troubled guts.
Accordingly, they recommended low-fibre diets for patients suffering from
hemorrhoids and other colon disorders often found in the West. But then,
about 15 years ago, the prescription was reversed as researchers found that
poor Africans, who eats lots of fibre, rarely suffer from such complaints.
Fibre, the researchers learned, actually eases the bowel's burden by mixing
with water and other food residues to create large,
Soon, nutritionists came to see the low-fibre diet of most North
Americans as a culprit in the onset of disorders ranging from tooth decay
to heart attacks. Increasing the consumption of certain kinds of fibre,
they found, could slow the body's absorption of sugars to which diabetics
are sensitive, and of cholesterol, which may lead to heart disease.
Furthermore, fibres fight obesity. They're filling, especially the
pectins in citrus fruit and the gums in some beans. And they're mainly
indigestible. So dieters eating lots of fibre are likely to eat less of
other, more fattening foodstuffs.
As for why populations on high-fibre diets seem to experience fewer
colon cancers, no one knows for sure. In any case, there is no doubt that
fibre is nature's laxative, the dietary key to regularity. Nutritionists
therefore advise you to stay away from foods containing processed and
refined ingredients such as bleached flour and white sugar. Remember that
meats contain little fibre and that overcooked vegetables and fried foods
have lost much of theirs.
Nevertheless, fibre supplements are usually unnecessary. Merely ensure
that your diet is full of fresh fruits and vegetables - and some of the
most fibrous foods such as bran cereals, whole wheat breads, peas, beans
and lentils - and you, too, can eat like an old-time pauper.