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- From: oak@mwilliams.eche.ualberta.ca (Nilesh Oak)
- Subject: Health and Meatless Diet
- Message-ID: <1992Nov20.220748.14202@kakwa.ucs.ualberta.ca>
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- Organization: University Of Alberta, Edmonton Canada
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- Date: Fri, 20 Nov 1992 22:07:48 GMT
- Lines: 215
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-
- HEALTH AND A MEATLESS DIET
- Today, with increasing evidence of diet's critical effects on good
- health and longevity, more and more people are investigating this
- question: Is the human body better suited to a vegetarian diet or
- one that includes meat?
- In the search for answers, two areas should be considered- the
- anatomical structure of the human body, and the physical effects
- of meat consumption.
- Since eating begins with the hands and the mouth, what can the
- anatomy of these bodily parts tell us? Human teeth, like those
- of the herbivorous creatures, are designed for grinding and
- chewing vegetable matter. Human lack the sharp front teeth for
- tearing flesh that are characteristic of carnivores. Meat-eating
- animals generally swallow their food without chewing it and
- therefore donot require molars or a jaw capalable of moving sideways
- Also, the human hand, with no sharp claws and with its opposable
- thumb, is better suited to harvesting fruits and vegetables than
- to killing prey.
- Once within the stomach, meat requires digestive juices high in
- hydrochloric acid. The stomachs of humans and herbivores produce
- acid less than the one-twentieth the strength of that found in
- carnivores.
- Another crucial difference between the meat-eater and the vegeterian
- is found in the intestinal tract, where the food is further digested
- and nutrients are passed into the blood. A piece of meat is just
- part of a corpse, and its putrefaction creates poisonous wastes
- within the body. Therefore meat must be quickly eliminated. For
- this purpose, carnivores possess alimentary canals only three times
- the length of their bodies. Since man, like other non-flesh-eating
- animals, has an alimentary canal twelve times his body length,
- rapidly decaying flesh is retained for a much longer time, producing
- a number of undesirable toxic effects.
- One body organ adversely affected by these toxins is the kidney.
- This vital organ, which extracts waste from the blood, is strained
- by the overload of poisons introduced by meat consumption. Even
- moderate meat-eaters demand three times more work from their kidneys
- than do vegeterians. The kidneys of a young person may be able to
- cope with this stress, but as one grows older the risk of kidney
- disease and failure greatly increases.
- HEART DISEASE
- The inability of human body to deal with excessive animal fats in
- the diet is another indication of the unnaturalness of meat-eating.
- Carnivorous animals can metabolize almost unlimited amounts of
- cholesterol and fats without any adverse effects. In experiments
- with dogs, up to one half pound of butterfat was added to their
- daily diet over a period of two years, producing absolutely no
- change in their serum cholesterol level.
- On the other hand, the vegeterian species have a very limited
- ability to deal with any level of cholesterol or saturated fats
- beyond the amount required by the body. When over a period of
- many years an excess is consumed, fatty deposits (plaque) accumulate
- on the inner walls of the arteries, producing a condition known as
- arteriosclerosis, hardening of the arteries. Because the plaque
- deposits constrict the flow of blood to the heart, the potential
- for heart attacks, strokes, and blood clots is tremendously
- increased.
- As early as 1961, the Journal of the American Medical Association
- stated that ninety to ninety-seven percent of heart disease, the
- cause of more than one half of the deaths in the united states,
- could be prevented by a vegeterian diet. These findings are
- supported by an American Heart Association report that states,
- "In well documented population studies using standard methods of
- diet and coronary disease assessment... evidence suggests that a
- high-saturated-fat diet is an essential factor for a high incidence
- of coronary heart disease." The National Academy of Sciences also
- reported recently that the high serum cholesterol level found in
- most Americans is a major factor in the coronary heart disease
- "epidemic" in the United States.
- CANCER
- Further evidence of the unsuitability of the human intestinal tract
- for digestion of flesh is the relationship, established by numerous
- studies, between colon cancer and meat-eating. One reason for the
- incidence of cancer is the high-fat, low-fiber content of the meat
- centered diet. This results in slow transit time through the colon,
- allowing toxic wastes to do their damage. States Dr. Sharon Fleming
- of the Department of Nutrirional Sciences at the University of
- California at Berkeley,"Dietary fiber appears to aid in reducing...
- colon and rectal cancer. Moreover, while being digested, meat is
- known to generate steroid metabolites possessing carcinogenic
- (cancer-producing) properties.
- As research continues, evidence linking meat-eating to other forms
- of cancer is building up at an alarming rate. The National Academy
- of Sciences reported that"people may be able to prevent many common
- cancers by eating less more fatty meats and more vegetables and
- grains." And in his Notes on the Causation of Cancer, Rollo Russel
- writes,"I have found of twenty-five nations eating flesh largely,
- nineteen had a high cancer rate and only one had a low rate, and
- that of thirty-five nations eating little or no flesh, none had a
- high rate."
- Some of the most shocking results in cancer research have come from
- exploration of the effects of nitrosamines. Nitrosamines are formed
- when secondary amines, prevalent in beer, wine, tea, and tobacco,
- for example, react with chemical preservatives in meat. The Food
- and Drug Administration has labeled nitrosamines "one of the most
- formidable and versatile groups of carcinogens yet discovered, and
- their role... in the etiology of human cancer has caused growing
- apprehension among experts." Dr. William Liginsky of Oak Ridge
- National Laboratory conducted experiments in which nitrosamines
- were fed to test animals. Within six months he found malignant
- tumors in one hundred percent of the animals. "The cancers,"
- he said,"are all over the place; in the brain, lungs, pancreas,
- liver, stomach, adrenals, and intestines. The animals are a bloody
- mess."
- DANGEROUS CHEMICALS IN MEAT
- Numerous other potentially hazardous chemicals, of which consumers
- are generally unaware, are present in meat and meat products. In
- their book 'Poisons in Your Body', Gary and Steven Null give us an
- inside look at the latest gimmicks used in the corporate-owned
- animal factories. "The animals are kept alive and fattened by the
- continuous administration of tranquilizers, harmones, antibiotics,
- and 2,700 other drugs," they write. "The process starts even before
- birth and continues long after death. Although these drugs will
- still be present in the meat when you eat it, the law does not
- require that thay be listed on the package."
- One of these chemicals is dietylstilbestrol (DES), a growth harmone
- that has been used in the U.S. for the last twenty years despite
- studies that have shown it to be carcinogenic. Banned as a serious
- health hazard in thirty-two countries, it continues to be used by
- the U.S. meat industry, possibly because the FDA estimates it saves
- meat producers more than $500 million annually.
- Another popular growth stimulant is arsenic. In 1972 this well known
- poison was found by the U.S. Department of Agriculture (USDA) to
- exceed the legal limit in fifteen percent of the nation's poultry.
- Sodium nitrate and sodium nitrite, chemicals used as preservatives
- to slow down putrefaction in cured meat and meat products, including
- ham, bacon, bologna, salami, frankfurters, and fish, also endanger
- health. These chemicals give meat its bright-red appearance by
- reacting with pigments in the blood and muscle. Without them, the
- natural gray-brown color of dead meat would turn off many
- prospective consumers.
- Unfortunately, these chemicals donot distinguish between the blood
- of a corpse and the blood of a living human, and many persons
- accidentally subjected to excessive amounts have died of poisoning.
- Even smaller quantities can prove hazardous, especially for young
- children or babies, and therefore the United Nations' joint
- FAO/WHO Expert Committee on Food Additives warned,"Nitrate should
- on no account be added to baby food." A.J. Lehman of the FDA
- pointed out that "only a small margin of safety exists between the
- amount of nitrate that is safe and that which may be dangerous."
- Because of the filthy, overcrowded conditions forced upon animals by
- the livestock industry, vast amounts of antibiotics must be used.
- But such rampant use of antibiotics naturally creates antibiotic-
- resistant bacteria that are passed on to those who eat the meat.
- The FDA estmates that penicillin and tetracycline save the meat
- industry $1.9 billion a year, giving them sufficient reason to
- overlook the potential health hazards.
- The trauma of being slaughtered also adds"pain poisons"(such as
- powerful stimulants) into the meat. These join with uneliminated
- wastes in the animal's blood, such as urea and uric acid, to further
- contaminate the flesh consumers eat.
- DISEASES IN MEAT
- In addition to dangerous chemicals, meat often carries diseases from
- the animals themselves. Crammed together in unclean conditions,
- force-fed, and inhumanely treated, animals destined for slaughter
- contract many more diseases than they ordinarily would. Meat
- inspectors attempt to filter out unacceptable meats, but because of
- pressures from the industry and lack of sufficient time for
- examination, much of what passes is far less wholesome than the meat
- purchaser realizes.
- USDA report lists carcasses that passed inspection after the
- diseased parts were removed. Examples included nearly 100,000 cows
- with eye cancer and 3,596,302 cases of abscessed liver. The
- government also permits the sale of chickens with airsacculitis, a
- pneumonialike disease that causes pus-laden mucus to collect in the
- lungs. In order to meet the federal standards, the chicken's chest
- cavities are cleaned out with air-suction guns. But during this
- process diseased air sacs burst and pus seeps into the meat.
- The USDA has even been found to be lax in enforcing its own low
- standards. In its capacity of overseeing federal regulatory
- agencies, the U.S. General Acconting Office cited the USDA for
- failure to correct various violations by slaughterhouses. Carcasses
- contaminated with rodent feces, cockroaches, and rust were found in
- meat-packing companies such as Swift, Armour, and Carnation. Some
- inspectors rationalize the laxity, explaining that if regulations
- were enforced, no meat-packers would remain open for business.
- NUTRITION WITHOUT MEAT
- Many times the mention of vegetarianism elicits the predictable
- reaction, "What about protein?" To this the vegetarian might reply,
- "What about the elephant? And the bull? And the rhinoceros?" The
- ideas that meat has a monopoly on protein and that large amounts of
- proteins are required for energy and strength are both myths.
- While it is being digested, most protein breaks down into its
- constituent amino acids, which are reconverted and used by the body
- for growth and tissue replacement. Of these twenty-two amino acids,
- all but eight can be synthesized by the body itself, and these eight
- "essential amino acids" exist in abundance in nonflesh foods. Dairy
- products, grains, beans, and nuts are all concentrated sources of
- protein. Cheese, peanuts, and lentils, for instance, contain more
- protein per ounce than hamburger, pork, or porterhouse steak. A
- study by Dr. Fred Stare of Harvard and Dr. Mervyn Hardinge of Loma
- Linda University made extensive comparisons between the protein
- intake of vegetarians and flesh eaters. They concluded that "each
- group exceeded twice its requirement for every essential amino acid
- and surpassed this amount by large margins for most of them."
- For many Americans, protein makes up more than twenty percent of
- their diet, nearly twice the quantity recommended by the World
- Health Organization. Although inadequate amounts of protein will
- cause loss of strength, excess protein can not utilized by the body;
- rather, it is converted into nitrogenous wastes that burden the
- kidneys. The primary energy source for the body is carbohydrates.
- Only as a last resort is the body's protein utilized for energy
- production. Too much protein intake actually reduces the body's
- energy capacity. In a series of comparative endurance tests
- conducted by Dr. Irving Fisher of Yale, vegetarians performed twice
- as well as meat-eaters. By reducing the nonvegetarians' protein
- consumption by twenty percent, Dr. Fisher found their efficiency
- increased by thirty-three percent. Numerous other studies have
- shown that a proper vegetarian diet provides more nutritional energy
- than meat. Furthermore a study by Dr. J. Iotekyo and V. Kipani at
- Brussels University showed that vegetarians were able to perform
- physical tests two to three times longer than meat-eaters before
- exhaustion and were fully recovered from fatigue in one fifth the
- time needed by meat-eaters.
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