About one in every 100 persons with asthma (some 100,000 Americans) are sensitive to sulfites. These food preservatives are found in dried fruits, dehydrated potatoes, and some grape juices and carbonated drinks and may cause anaphylactic shock in sensitive persons. About 15 years ago the FDA banned the use of sulfites on raw fruits and vegetables in restaurants and supermarkets.Anyone sensitive to sulfites should avoid all foods that contain sulfur dioxide, sodium sulfite, sodium or potassium bisulfite, or sodium or potassium metabisulfite.
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