Can Vitamins and Minerals
Boost Your Immune Function?
Vitamins And Minerals May Boost Immune
Function
by: News Canada
(NC)-Many experts believe vitamins,
especially antioxidant vitamins, help boost the
disease-fighting powers of the immune system.
Antioxidants are thought to help protect
cells in the immune system from damage caused by environmental
contaminants, cigarette smoke, radiation and normal wear and
tear.
Following Canada's Food Guide is a great way to get a full
compliment of vitamins and minerals on a daily basis. The
following are some specific nutrients that many researchers
believe may help boost the immune system:
Vitamin E - Studies showed an improvement in immune function in
healthy individuals who received vitamin E supplements ranging
from 400 to 800 mg (IU) per day. Vitamin E is found in nuts,
vegetable oil, corn, soya beans, wheat germ and whole grain
cereals.
Vitamin C - Recent reviews suggest that vitamin C may reduce
the duration of a cold, as well as the severity of its
symptoms. The current recommended daily intake of vitamin C may
be enough to prevent scurvy, but it might not be sufficient to
support the immune response. Vitamin C is readily available in
citrus fruits, green vegetables and potatoes.
Beta-Carotene - Some researchers believe beta-carotene helps to
boost the immune system. Also, evidence suggests that diets
rich in carotenoids, including beta-carotene, are associated
with lowered risks of certain types of cancer.
Beta-carotene is found in yellow, red and orange fruits, as
well as dark green vegetables.
Zinc & Selenium - The importance of adequate zinc intake
has also been demonstrated in numerous studies. A survey of an
elderly, low-income population indicated that inadequate zinc
intake may be linked to abnormal immune function. A study
conducted in 1999 revealed that trace supplementation of zinc
and selenium was associated with reduced incidence of
infectious disease in adults. Zinc and selenium are found in
meat, poultry, whole grains and dairy products.
Canadians should consider taking a daily multivitamin like
Centrum® Forte to acquire adequate amounts of these immune
boosting nutrients. Multivitamins are formulated to complement
a healthy diet and maintain a consistent level of nutrients
required by the body. Their careful combination of ingredients
provides optimal absorption and maximum benefits.
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A Is For Allergies And Vitamin
A!
Allergies are a significant
problem in today’s world. Smog, factory pollution, and the
increase in grasses and plants contribute to many people
suffering from allergy attacks. The most common forms of
allergic reactions are hay fever, some forms of asthma and
hives may be a common reaction to some very normal and usually
harmless substances.
Grass and tree pollen, and house
dust are common irritants to people with allergies.
Immunoglobulin E is an antibody
produced when a person is exposed to an allergen. Scientists
are not sure how it first developed but the theory is that it
was the body’s defense to parasitic worms. There are different
types of this antibody and each will react differently to
individual allergens. When a person is first exposed to a
potential allergen the body will make large amounts of the
Immunoglobulin E antibody that releases powerful chemicals to
activate blood platelets and attract secondary cells. These
chemicals include histamine, and heparin. These can cause the
symptoms of allergies including the sneezing, itching, runny
eyes, and wheezing that comes with the allergy. This antibody
can also help prevent anaphylactic shock which is a potentially
life threatening allergic reaction.
Vitamin A, selenium, and zinc are
nutrients that play an important role in keeping mucous
membranes healthy and protecting your outer skin. If you mucous
membranes are healthy you have a significantly reduced chance
of having allergy problems. The mucous membrane is the layer of
cells that contain infection-fighting biochemicals.
Mucus also shields cell for
substances that trigger allergies such as pollen and other
allergens.
Mucous membranes also protect
cells from the danger of air pollution. People who are exposed
to air pollution are more likely to have severe allergies. Air
pollution can come from factories, cars that are maintained,
and even the harvesting of a food crop. An allergic reaction
promotes unstable molecules called free radicals that injure
mast cells and making them more prone to histamine release.
Vitamins such as C and E and beta-carotenes help neutralize the
free radicals and help protect healthy molecules from suffering
harm.
Some of the most powerful
allergic reactions are food related. People with serious food
allergies should be tested to find out which foods they should
avoid. Some foods can result in such a severe reaction it could
be deadly. Peanuts are one food that is known to cause severe
allergic and life threatening reactions.
A specialist can help pinpoint
the foods that are potential troublemakers. The most common
food allergies are milk, peanuts, nuts, eggs, soy and some
seafoods. Gluten, which is a protein found in some grains may
also cause allergy related gastrointestinal problems in some
people. If you or someone you love has numerous colds or other
sinus and congestion problems, you should contact your family
doctor about having tests to determine if that person has any
severe allergies.
Some doctors recommend taking a
vitamin and mineral supplement that will help control allergic
reactions. A doctor can recommend if you need any supplemental
vitamins or minerals to combat your allergy problems.
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