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| | US FDA/CFSAN - Food Allergies Rare but Risky |
 | | Food allergy is different from food intolerance, and the term is sometimes used in a vague, all-encompassing way, muddying the waters for people who want to understand what a real food allergy is. |
 | | In a true food allergy, the body's immune system recognizes a reaction-provoking substance, or allergen, in the food--usually a protein--as foreign and produces antibodies to halt the "invasion." As the battle rages, symptoms appear throughout the body. |
 | | People with food allergies have expressed the concern that new varieties of food, developed through the new techniques of biotechnology (such as gene splicing), may introduce allergens not found in the food before it was altered. |
| www.cfsan.fda.gov /~dms/wh-alrg1.html (3802 words) |
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