Date:5/12/2010

spike in food allergies. The main theory to explain a rise in allergic disease, including food allergy, is the "hygiene hypothesis" that generally suggests that "clean living" with less farm living and the use of medications to prevent and quickly treat infections leaves our immune system in a state that is more prone to attack harmless proteins like those in foods, pollens, and animal dander. Other theories include the timing of introduction of the food and how the food is prepared.

The authors caution that the study has limitations inherent to telephone surveys, which may over-represent households of high socioeconomic status because homes without telephones are excluded. There are also limitations in the self-reported nature of the survey, and identifying "true" allergy. However, the rate of childhood peanut allergy estimated in the current study is similar to results from studies using different methods in Canada, Australia and the UK.

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Contact: Mount Sinai Press Office newsnow@mountsinai.org 212-241-9200 The Mount Sinai Hospital / Mount Sinai School of Medicine Source:Eurekalert

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