Immune System StrengthA Healthy Immune System Prevents The Little Virus From Making Big Problems
>R.H. BENNETT, Ph.D.
APPLIED LIFE SCIENCES
INTRODUCTION
Everyone has heard of the smallest microbe, the virus,
yet few really appreciate just how small and just how
insidious they can be. We have a difficult time understanding
things we cannot see or otherwise readily detect. Virus
particles are so small that hundreds if not thousands
can fit inside the space of a small bacterium. Bacteria
cannot be seen with the unaided eye. Yet with a fairly
simple microscope at 1000 times magnification, bacteria
appear as little balls or rods. Virus cannot be visualized
without the aid of very elaborate microscopes called
the electron microscope.
With their very small size, coupled with the bare minimum
of the machinery of life, many scientists have some difficulty
referring to these agents of disease as alive. Whether
they are alive or not is somewhat a mute point, for we
all know that virus infections are at best unpleasant
and can be life altering and life threatening. Like the
great virus epidemics of the past, the virus epidemics
of today, Influenza, the dreaded HIV and lethal Ebola
viruses, challenge the best of medical science and send
a wave of fear through everyone in their path.
Control of virus infections is best achieved by the
healthy and vigilant immune system. To date there are
only a few antiviral drugs. The biology of the virus
renders them virtually unaffected by all of the antibiotics
used against bacterial infections. Several virus diseases
that have plagued people are almost eliminated from the
planet as a result of effective vaccines. Diseases like
Small Pox and Polio are now virtually non-existent. Other
viral diseases, like Human Herpes, the Cancer viruses
and the insidious Human Immunodeficiency Virus, continue
to evade the prospect of effective vaccines. They are
more complex and clever. Clever in the sense that they
have developed the means to hide from the immune system.
The viruses that have the ability to invade our bodies
and evoke less than a fully effective immune response
are responsible for a host of human diseases that take
their toll over a long period of time. The difference
between those that are ill for only a short period of
time and those that suffer for months and years, just
may be in the nature and effectiveness of our immune
system.
CASE HISTORY: College student, Jim, was a young
active and very healthy athlete. College for Jim, like
many other college students is busy and hard working
time. The college day is one of many working hours, too
little sleep and a diet that masquerades for barely adequate,
for the fast foods and empty calories. In the beginning
of his junior year, with a full load of classes, part
time job and varsity sports, Jim’s tiredness and
general mild influenza like symptoms just seemed like
another bout of the “college student flu” .
Yet after several weeks of increasing tiredness, unimproved
by a conscious effort to get more sleep, the symptoms
of joint and muscle pain and increasing soreness, combined
with a new and severe sore throat. Jim was seen by the
student health center and treated with antibiotics for “Strep
Throat”. The antibiotic treatment had no effect.
On seeking a second medical opinion, Jim was diagnosed
with Infectious Mononucleosis. Medical treatment included
a strict regimen of bed rest, nutritious diet, vitamin
supplements and the expectation of 6 to 8 weeks of recuperating.
The Epstein Bar Virus commonly associated
with Mononucleosis is a good example of a virus infection
that attempts to hide from the immune system. This
Herpes virus “hides” per
se by actually infecting the cells of the immune system,
thus rendering them unable to respond effectively. Young
people are the most commonly affected and pick up the
virus from the saliva of others that have the disease.
Virus carriers are often those that have recovered
from the illness yet may still shed the virus in the
secretions of the throat.
For most individuals, especially the young, the infection
is controlled by the immune system and few if any long
term effects befall the patient. In some portion of older
patients, perhaps those that escaped the disease as adolescents,
may experience a different and long lasting disease.
Many have suggested that Chronic Fatigue Syndrome is
in part due to infections of the Epstein Bar virus.
IMMUNITY TO VIRUS INFECTIONS.
The defensive response to viral infections has two general
components: Non specific and Specific. There are chemical
messengers, Interferons that are released by
viral infected cells. One type of interferon helps other
cells resist viral infection. The Natural Killer cells
of the immune system have the ability to recognize when
a cell of the body is infected with a virus and destroy
it. Both of these non specific mechanisms are important
in the early phase of infection and before the body can
mount an effective specific immune response.
Antibodies: Antiviral
antibodies are produced much later in the course of
infection and hence have a small role in the initial
defense. They
do have a large role in resistance to reinfection. Neutralizing
antibodies bind to virus and render it less able to attach
and penetrate a cell, thus protecting it.
Killer T Cells: The
critical defensive arm of the immune system for viral
infections is the stimulation of specific lymphoid
cells, called the Killer T Cells or specifically the
CD8+ cells. These cells seek and destroy cells of the
body that are infected with the virus and thus greatly
limit the reproduction of new virus by the cells. In
order to “clear” viruses
from the body a healthy armada of Killer T Cells is critical.
Transfer Factor: Transfer factor
is a chemical found in nature's colostrum that has the
unique ability pre-educate the immune system before the
body is attacked by a virus. Transfer factor is
likely a number of factors that in the newborn stimulate
and activate the cells of the immune system. For a number
of viral diseases, this creates a large number of T Cells
that are specific for a given virus and they circulate, “on
patrol” to seek and destroy those cells that have
been infected with virus. Transfer factor also works
to educate the Helper T Cell that assists the Antibody
producing B Cell Lymphocytes to manufacture neutralizing
antibody. The EB virus and others attempt to slow the
immune response by infecting the immune cells themselves.
Sick immune cells are not able to respond. Transfer factor
supplementation in acute viral infections may well hasten
the development of an effective immune response by mobilizing
cells to attack the virus before the virus can attack
them.
In persons with long term or chronic EBV infections,
the immune system is damaged by the viral infection and
does not respond well to that virus and others that come
along. Transfer factor has the unique potential of educating
the remaining healthy lymphoid cells and just possibility
rearming those cells that have been damaged by the virus.
This may explain why transfer factor therapy is shown
to improve the health of those with chronic viral infections
like EBV.
The viral pathogens will always be
part of the human ecology. They have shown themselves
to be highly specific and adaptable. The greatest
hope for our defense is to keep our immune systems
at peak vigilance and healthy. Because they are smaller
than small and unseen our only defense is our ability
to produce effective vaccines and maintain top immunological
health.
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