Severe Food Allergies

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Severe food allergies can cause life threatening anaphylactic responses, which are becoming more prevalent within the United States. There has been at least an 18% increase in food allergies among children in the U.S., according to the U.S. Centers for Disease Control and Prevention. An increase in genetic variation cannot explain the increasing prevalence of food allergies, which leads to inquiries on whether environmental factors such as antibiotics, diet, vaccines and sanitation practices alter the composition of commensal microbiota, causing allergen sensitization. Twenty years ago, the “Hygiene Hypothesis” spread light on the adverse effects that have occurred due to the effort to reduce the population's exposure to infectious diseases.
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