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Food allergies and its prevention in modern world


  1. #1
    pradeepkumar_k is offline Just in!

    Food allergies and its prevention in modern world

    Food allergies have increased in recent years, from 1% in 1970 to 6-8% of the population in 2010.
    Food allergy is an abnormal reaction of the body's defense following ingestion of food. This immune response can be explained by the fact that these foods are considered foreign (allergens) in the body and cause the production of antibodies. Often the symptoms are mild but memory kept by the body cells will trigger at a reintroduction of the same allergen, a reaction more severe anaphylactic. If it is not treated promptly, anaphylaxis can progress to anaphylactic shock, that is to say, the fall in blood pressure, unconsciousness and possibly death in minutes. In India, 50 to 80 people die each year as a result of a food allergy.

    If food allergy can occur at any age, it is more common in children before the age of 4 years. At this age, the digestive system and the immune system are not yet mature, making it more susceptible to allergies. In India, the prevalence of food allergies scalable general population is around 3.2%.

    There is no cure. The only solution is to ban the consumption of food allergens.

    During the last thirty years, our eating habits have changed considerably: new exotic foods, new proteins to enhance the taste, change the color and consistency of the food, new methods of preparation and preservation or too early diversification of feeding babies.
    The foods most frequently involved in children are mainly of animal origin:

    • egg allergen is the first in order of frequency (34% of cases)
    • peanuts (25% of cases),
    • milk (8% of cases),
    • fish (5% of cases).

    The foods most frequently involved adults are primarily of plant

    • fruit group called latex (bananas, avocados, chestnuts, kiwi, ...) in 14% of cases,
    • others (apricots, cherries, strawberries, raspberries, hazelnuts, peaches, pears, apples, plums, ...) in 13% of cases,
    • nuts and oil seeds (dill, carrots, celery, fennel, parsley, ...) in 9.5% of cases.

    Events caused by a food allergy are numerous and usually occur a few seconds to a few hours after eating the offending food. They can cause mild manifestations and sometimes cause unusually severe manifestations. The patient is likely to have:

    • Digestive disorders
    • Abdominal pain
    • Swelling of the skin resulting in the presence of edema and specifically angioedema
    • Swelling of the lips and oral mucosa
    • Urticaria
    • Of asthma
    • A runny nose
    • One or more sneezing
    • Tearing
    • Headache (headache)
    • Eczema can be complicated

    The occurrence of anaphylactic shock caused by a food allergy is quite exceptional, and fatal outcome seems to involve only a few people, including adults and children each year.

    In infants, food allergy involves:

    • Nausea
    • Vomiting
    • Of diarrhea
    • Colic
    • Abdominal pain

    The doctor usually begins by asking about the personal and family history of the patient. It raises questions about the onset of symptoms, the content of meals and snacks, etc.. Finally, the practice of skin tests and blood tests are sufficient in most cases to identify the offending food. There are different test:
    - When skin tests are applied at different locations on the skin drop a series of solutions, each containing a small amount of allergen. Then, with the aid of a needle pricking the skin lightly where there is current.
    - When blood tests were measured in a blood sample the amount of antibodies specific to a particular food.
    - Provocation tests require ingestion of a progressive amount of food. It is practiced only in the hospital with an allergist.

    No treatment can eliminate a food allergy. The best solution is obviously to remove any contact with the offending food. However, this eviction is relatively easy to implement when the product is not used in the daily diet, but more difficult when food is present in many preparations.

  2. #2
    Aarish Rizvi's Avatar
    Aarish Rizvi
    Aarish Rizvi is offline eTI Bronze
    Very good information Pradeep ji, thanks for sharing with us.

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