In a landmark new study, researchers found that babies who consumed the equivalent of about 4 heaping teaspoons of peanut butter each week, starting when they were between 4 and 11 months old, were about 80 percent less likely to develop a peanut allergy by age 5. To avoid a choking hazard, doctors say kids should be fed peanuts mixed in other foods, not peanuts or globs of peanut butter. Anna/Flickr hide caption

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SafetyTat, the inventor of children's safety tattoos, offers a line of allergy tattoos to help children with food allergies. Courtesy of SafetyTat hide caption

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Researchers are learning more about how to treat milk allergy by giving kids a small amount of milk protein, but it needs further study. MICHAEL PROBST/ASSOCIATED PRESS hide caption

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A recent settlement between a university and the Justice Department may encourage institutions to better accommodate students with food allergies. iStockphoto.com hide caption

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The iTube platform, left, uses colorimetric assays and a smartphone-based digital reader to detect potential food allergen. A screen capture of the iTube App appears on the right. UCLA hide caption

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Contact with animals and dirty environments may be one reason farm kids are less likely to get allergies, researchers say. iStockphoto.com hide caption

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Peanuts were a problem for 9 percent of households that reported someone with a food allergy or intolerance. iStockphoto.com hide caption

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