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What Causes Allergies to
Occur
While looking at what causes allergies to occur, the immune
system in your body acts to prevent foreign particles from
causing health problems such as infections. The foreign
particles are also known as antigens. Allergens are types of
antigens that produce allergic reactions in people. When the
body has been invaded by allergens your immune system tries to
destroy them by producing antibodies which are basically
protective proteins. The body produces antibodies that are
designed to attack a specific type of allergen that have
entered the body.
Food Allergies
What causes food allergies to occur is basically reactions that
are produced by your immune system to certain types of foods.
It has been reported that about two percent of adults have a
food allergy while about six percent of children have a food
allergy. A lot of people have intolerance to food items
however; they are different form actual food allergies due to
the foods intolerance not having anything to do with the immune
system. A food allergy can produce serious health problems in
people and in some cases it can cause death.
Immune System
What causes food allergies to occur is basically your immune
system makes a mistake and treats a certain type of food as a
harmful item and in order to defend your body from this food
substance the immune system stimulates specific body cells to
create immunoglobulin E (lgE) antibodies to attack the food
substance.
The next time you happen to consume this particular food item
your immune system releases histamine as well as other
chemicals which flow into the blood stream. The chemicals that
have been produced create allergic symptoms. Experts believe
that histamine is part of the cause of allergic reactions
including itchy eyes, rashes and hives, dry throat, dripping
nose, nausea problems, diarrhea problems and difficulty in
breathing as well as anaphylactic shock.
The vast majority of food allergies are caused by certain types
of proteins that are contained in peanuts, eggs, fish, nuts
from trees including walnuts and pecans, certain types of
shellfish including shrimp, crab and lobster. Regarding what
causes food allergies in children experts claim they are
typically caused by proteins in milk from cows, wheat as well
as soybeans. Symptoms of food allergies typically occur a few
minutes or up to about an hour after consuming the food allergy
item. If you think you might have a food allergy you should
consult with your doctor. You doctor can provide treatments as
well as provide information about what causes your allergies to
occur.
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