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Study finds high rate of child food allergies in U.S.

By Agence France-Presse
Monday, June 20, 2011 13:15 EDT
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CHICAGO — Childhood food allergies are on the rise, said a US study published Monday that suggested twice as many children are allergic to food as the US government has previously estimated.

About eight percent of children under 18, or 5.9 million children in the United States, have some kind of food allergy, said the study published in the journal Pediatrics.

That is about double the latest data from the US Centers for Disease Control and Prevention which showed a 3.9 percent infection rate, or about three million children with allergies in 2007.

“Based on our data, about 1 in every 13 children has a food allergy,” said lead author and pediatrician Ruchi Gupta of the Northwestern University Feinberg School of Medicine.

“What’s more, nearly two out of every five affected children suffer from a severe food allergy. For these children, accidental ingestion of an allergenic food may lead to difficulty breathing, a sharp drop in blood pressure, and even death.”

The findings came from a survey of 40,000 households in the United States. Researchers found that African-American and Asian-American children were less likely than white children to receive a formal diagnosis of food allergies, but were more likely to display a “convincing history of food allergy.”

Future studies will be aimed at understanding some of the geographical and racial trends observed, said Gupta.

“By understanding why some children are affected by food allergy while others are not, we can begin to better focus our efforts on finding a cure.”

The CDC lists eight types of foods as responsible for 90 percent of food allergies in young people: milk, eggs, peanuts, tree nuts, fish, shellfish, soy and wheat.

Scientists are unsure why children develop food allergies, which they often grow out of, but studies indicate food allergies may be on the rise among US youths, the CDC said in its latest 2008 report on the subject.

Agence France-Presse
Agence France-Presse
AFP journalists cover wars, conflicts, politics, science, health, the environment, technology, fashion, entertainment, the offbeat, sports and a whole lot more in text, photographs, video, graphics and online.
 
 
 
 
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