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Allergy Rates Lower Among Children Whose Moms Ate Peanuts While Pregnant

December 23, 2013: 12:00 AM EST
Contrary to traditional medical opinion, pregnant women should not worry that eating peanuts will cause a peanut allergy in their child, U.S. researchers report. For years women were advised to avoid highly allergenic foods such as peanuts and tree nuts during pregnancy and while nursing. In addition, it was suggested that children three years old and younger should not be allowed to eat peanuts. The researchers noted that despite the advice, from 1997 to 2007 the number of peanut allergy cases in the U.S. tripled. Researchers analyzed data collected from  8,205 children, finding that peanut allergy rates were significantly lower among children whose mothers ate peanuts before and during pregnancy.
A. Lindsay Frazier et al., "Prospective Study of Peripregnancy Consumption of Peanuts or Tree Nuts by Mothers and the Risk of Peanut or Tree Nut Allergy in Their Offspring", JAMA Pediatrics, December 23, 2013, © American Medical Association
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