The Importance Of Animal Research Essay

Research on animals is important in understanding diseases and
developing ways to prevent them. The polio vaccine, kidney transplants,
and heart surgery techniques have all been developed with the help of
animal research. Through increased efforts by the scientific community,
effective treatments for diabetes, diphtheria, and other diseases have been
developed with animal testing.

Animal research has brought a dramatic progress into medicine.
With the help of animal research, smallpox has been wiped out worldwide.
Micro-surgery to reattach hearts, lungs, and other transplants are all
possible because of animal research. Since the turn of the century,
animal research has helped increase our life-span by nearly 28 years.
And now, animal research is leading to dramatic progress against AIDS and
Alzheimer’s disease.

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Working with animals in research is necessary. Scientists need to
test medical treatments for effectiveness and test new drugs for safety
before beginning human testing. Small animals, usually rats, are used to
determine the possible side effects of new drugs. After animal tests have
proven the safety of new drugs, patients asked to participate in further
studies can be assured that they may fare better, and will not do worse
than if they were given standard treatment or no treatment.

New surgical techniques first must be carefully developed and
tested in living, breathing, whole organ systems with pulmonary and
circulatory systems much like ours. The doctors who perform today’s
delicate cardiac, ear, eye, pulmonary and brain surgeries, as well as
doctors in training, must develop the necessary skills before patients’
lives are entrusted to their care. Neither computer models, cell cultures,
nor artificial substances can simulate flesh, muscle, blood, and organs like
the ones in live animals.

There is no alternative to animal research. Living systems are
complex. The nervous system, blood and brain chemistry, and gland
secretions are all interrelated. It is impossible to explore, explain or
predict the course of many diseases or the effects of many treatments
without observing and testing the entire living system.
Cell and tissue cultures, often suggested as “alternatives” to using
animals, have been used in medical research for many years. But these are
only isolated tests. And isolated tests will yield only isolated results,
which may bear little relation to a whole living system. Scientists do not
yet know enough about living systems or diseases, nor does the technology
exist, to replicate one on a computer. The information required to build
a true computer model in the future will be based on data drawn from
today’s animal studies.

Primates represent only about 1/3 of 1 percent of animals in
research. But during the last half century, research using primates has
led to major medical breakthroughs, most notably in the treatment of polio
and Rh disease. Vaccines have reduced the cases of polio in the U.S. from
58,000 to one or two a year at present.

Scientists are learning how the Human Immunodeficiency Virus (HIV)
works by studying its non-human primate counterpart, the Simian
Immunodeficiency Virus (SIV) in monkeys. The SIV model is useful in
testing drugs for AIDS. In addition, the HIV virus survives in certain
kinds of monkeys and although it does not kill the animals, it can be
removed from them. This may prove useful in testing an AIDS vaccine.

Researchers are studying rhesus macaque monkeys to explore ways
to reduce multiple organ failure following hypotensive shock, a loss of
blood pressure due to loss of blood. Researchers have hypothesized that
damage to the organs occur within the first few minutes after blood flow
is reestablished, when a certain kind of white blood cell attaches to
walls of blood vessels and releases toxic substances. The researchers
reasoned that if, just before blood flow is reestablished, a substance
that prevents the white blood cells from attaching to the vessel walls
were injected into the blood stream, it might prevent the release of their
toxic contents and avoid multiple organ damage. It is expected that this
new technique will prove effective in human patients.

Researchers are studying obesity in monkeys in hopes of finding a
way to control body weight. Scientist are also using monkeys to study
Taurine deficiency, which causes vision problems, and zinc deficiency,
which causes growth retardation among infants and fetuses.

Researchers are currently studying to see whether reduced caloric
intake can slow the rate of aging. This effect has already been observed
in lower animals, and if it holds true in primates, it would be a strong
indication that humans might be able to increase their life spans by eating

Primates have the same number and relative size of teeth as humans.

Macaque monkeys have been studied by dental researchers to link a specific
bacterium to the growth of periodontitis, which affects 75 percent of all
adults and causes 70 percent of adult tooth loss. A non-steroidal,
anti-inflammatory drug, flurbiprofen, has been shown to be effective in
halting the progression of periodontal disease.

Since the 1920s, scientists have studied primates in order to
understand their ability to communicate. They have discovered that
chimpanzees and other apes have the ability to learn and use language.
Scientists already have applied their findings toward developing a special
language for severely mentally retarded children, as well as young adults
with little or no linguistic competence, who cannot learn language as
normal children do.
People should ensure that an end is not put to progress in animal
research. Biomedical researchers know that an animal in distress is simply
not a good research subject. Researchers are embarked on an effort to
alleviate misery, not cause it. And remember, if we want to defeat the
killer diseases that still confront us, such as AIDS and Alzheimer’s,
cancer, heart disease, and many others, the misguided fanatics of the
animal-rights movement must be stopped. Think about it, it could some day
be your life or your children’s.


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