What is a Food Intolerance?
Food intolerance is an unhealthy reaction to a
specific food that typically should cause no threat to health at all. This
reaction can lead to an array of uncomfortable symptoms such as IBS, migraines,
skin problems, digestive disorders, fatigue, weight problems or just a general
feeling of “not being up to snuff.”
What
is the difference between an Allergy and an Intolerance?
Food intolerance is quite different from an allergy
and one should not be confused with the other. Food allergies trigger off an
immune response but because they trigger a different kind of antibody, the
immune response is different than what occurs when one simply has intolerance.
With allergies, sufferers experience an immediate, alarming and sometimes
deathly reaction to foods that the majority of people can eat without any
problem at all. With food intolerance, the reaction is very different, as the
food generally has to pass through the digestive system first before an immune
response is instigated. This results in a delayed reaction of hours or even
days and the symptoms are much more general, less severe but more likely to
result in a chronic health condition. A food intolerance can also be due to
enzyme deficiencies which prevents the break down of food for absorption as
found in lactose intolerance.
The severity and rapidness of a food allergy makes
the diagnosis of “something you have just eaten” pretty easy to identify.
Sufferers know that if they keep clear of that food there is no reason why they
cannot lead a healthy life. Also allergies are generally something we are born
with and stay with us throughout our life. The delayed and relatively mild
reaction of food intolerance makes it very difficult to associate negative
symptoms such as abdominal bloating or fatigue with something you ate 12 hours
ago. Also as the symptoms can relate to so many other health conditions,
isolating food as the problem is difficult. If food intolerance is disregarded,
sufferers carry on for years with a chronic condition of lower grade health
because they’re eating the offending food every day.
What
causes intolerances to food?
There are many reasons why food intolerance can
develop; some we know about and some remain for the time being a bit of a
mystery. Like allergies they can be a genetic fault in the immune system that
sends out the wrong signals to attack perfectly harmless food molecules instead
of harmful pathogens. Food intolerances can also develop through prolonged poor
health. This could be anything from contracting a nasty stomach bug while you
are on holiday to a resistant infection that results in long term antibiotics.
These non-immune food intolerances may result from poor digestibility due to
low enzyme levels, as is the case with lactose intolerance, or from an adverse
chemical reaction to naturally occurring components in foods or their
preservatives, such as with histamine or sulfite sensitivity. To complicate
matters, reliable tests to diagnose non-immune food intolerance are only
available for a small number of foods, which makes assessing the existence of
these conditions a largely subjective exercise.
Food
intolerances linked to a diet-rich in processed foods?
While it's anyone's guess as to whether the actual
prevalence of non-immune food intolerances is increasing, there are some strong
reasons to think they are. As American diets include higher amounts of
processed foods every year, our intake of staple processed ingredients like
wheat and fructose is also increasing. Average per capita intake of fructose
appears to have increased by an estimated 32 to 48 percent between the late
1970s and 2004, according to the National Health and Nutrition Examination
Survey, conducted through the Centers for Disease Control and Prevention.
Experts also point out that the quality of the ingredients we eat has changed.
As food engineering has increased the average percentage of gluten in wheat
from 4 percent to about 14 percent, according to Alessio Fasano, director of
the University of Maryland Center for Celiac Research. Our processed diets also
contain more preservatives and artificial chemicals, some
of which have been implicated in triggering adverse chemical reactions in
susceptible people. Some speculate that while small quantities of any of these
ingredients would not be problematic, repeated exposure to high amounts of them
may expose the fault lines of our old-fashioned digestive systems, which have
not evolved as fast as our modern diets. There appears to have been a dramatic
rise in suspected food intolerance linked to today’s modern manic lifestyles,
leading to increased interest in the subject.
How do
you treat food intolerance?
So what do you do if you suspect you have food
intolerance? There are two approaches to overcoming the negative symptoms of
food intolerance. Initially the aim is to, as with allergies; isolate the
offending foods to offer symptom relief
1. If you
suspect food intolerance, keep a food journal for two weeks that includes
times, foods, portion sizes, and any symptoms experienced. Then, bring your
journal to a gastroenterologist or registered dietitian who can evaluate the
relationship between the timing of your symptoms and food(s) eaten. The problem with food intolerance is it is very difficult, even
following an elimination diet, to isolate the offending foods.
2. If you
have isolated your offending foods, eliminated them from your diet and are
experiencing improved health then you need to address enforcing a healthier
lifestyle. Remember with many food intolerance cases it is often unhealthy
lifestyle practices that result in digestive problems and food intolerances.
For full health restoration, combining a healthy diet, stress management, time
out to have fun, relaxation and activity with your food intolerance diet plan
is the most effective way of returning you body back to full health.
Hungry
for more? Please feel free to post any questions or concerns
on our page and we will answer them to the best of our ability. If we feel your
questions are outside the scope of our knowledge base, we will do our best to
guide you in the right direction of professional services that would be better
suited to answering your questions.

