Is it Food Intolerance or Allergy?

Eating is one of the many enjoyable humancause of food intolerance. Popular among these is the
expe­riences. Most of us relish the taste offlavor enhancer MSG which can cause dizziness,
certain foods and this pleasur­able eventheadaches, chest lightness and a tingling sensation in
becomes even more unforgettable in the companysome susceptible individuals -- a condition known as
of friends or loved ones.the Chinese Restaurant Syndrome.
In the course of eating, how­ever, some people"Some people have mild in­tolerance to
develop un­pleasant symptoms depending onvegetables - especially peas and broccoli, which cause
the kind of food they eat. These people are notin­testinal gas. Others experience
really abnormal; rather they are experiencing a certainindi­gestion and diarrhea when they
degree of food sensitivity which a few individualscon­sume mushrooms and certain wines,"
have. This condition is commonly referred to as foodDavis added.
intolerance or food allergy.In food allergy, the susceptible person's immune
Few people understand the true nature of foodsystem reacts dif­ferently to an otherwise
allergies mainly because the facts have beenharmless food by producing antibodies. These
distorted by popular "health" books thatantibodies attack the food as if it were a deadly
blame cer­tain foods for a host of ills. Sugar, formicrobe and are re­sponsible for the release of
instance, is mistakenly blamed for heart disease,histamine and other chemicals into the body which
ulcers, diabetes and hypoglycemia when, in fact,produce the all too familiar signs of allergy.
natural foods with high concentrations of sugar are"A true food allergy produces a set of specific
among the most nutritious.allergic symptoms, and this relationship can be
An­other scapegoat is monosodium glutamaterepeatedly demonstrated. Classic symptoms are
(MSG) which critics wrongly accuse ofabdominal pain, diarrhea, nausea or vomiting, cramps,
pro­ducing depression, behavioral problems, losshives, eczema, swelling of the eyes, lips, face and
of bladder control and Alzheimer's disease. Intongue, and occasionally, hay fever-like reactions.
real­ity, intolerance to MSG happens in very fewFoods most often in­criminated include milk,
people and is more likely to occur if this flavoreggs, nuts, fish or shellfish, chocolate, wheat, corn,
enhancer is mixed with soup. How then do weberries, peas, beans and gum arable, a thickener used
distinguish a real food allergy or intolerance?in processed foods," explained Davis.
"Food intolerance and food allergy are oftenThe problem of food allergy, however, is not as
confused but are quite distinct: those withwidespread as some food faddists and quacks want
intoler­ance lack certain enzymes needed forus to believe. Many people mistak­enly assume
digestion, while those with allergy have an antibodythat they are allergic to something when they are
re­sponse," according to Dr. William J.not. This limits their food choices and spells bad
Davis in “The Columbia University College ofnutrition.
Physicians and Surgeons Complete Home Medical"Fewer than 2 percent of us are allergic to
Guide."foods - most often to peanuts or to shrimp or crab.
One special example of food in­tolerance isThat small percentage includes everyone allergic to
lactose intolerance, a problem which affects about 65eggs, milk, fish, nuts, peas and beans, clams and
mil­lion Americans and most peoples of theoysters. Allergies to edibles of any other kind are
world, especially Asians, Africans and Polynesians. Thisrare. But that hasn't stopped millions of us from
disorder is characterized by the absence of answearing something's wrong after we eat,”
intestinal enzyme called lactase which is needed tosaid Mary Roach, contributing editor of In Health
digest lactose, one of the sugars in milk.magazine in her article, “The Allergist's Best
Those who lack this enzyme suffer from abdominalShot.”
cramps, gas and diarrhea whenever they take milk orThere is no way to prevent food allergies except to
milk products. Strictly speaking, however, they areavoid the foods you are allergic to. If you haven't
not suffering from an allergic reac­tion.identified the source of your problem, quick relief
The additives that add color, pre­serves andfrom the uncomfortable symptoms of allergy can be
enhance the flavor of food are another commonobtained by taking over-the-counter antihistamines.