Study: Allergy Risk Increases with Longer U.S. Stay


Foreign-born children who did not have allergies before moving to the US were more likely to develop them after 10 years of residence, a study presented at the ongoing annual meeting of the American Academy of Allergy Asthma & Immunology found.

The study also found that foreign-born children who lived in the US a decade or longer were three times more likely to develop an allergic disorder than their counterparts who resided in the US two years or less.

“The odds of developing allergic disease significantly increased after residing in the US for a decade or more,” according to Jonathan Silverberg, MD, PhD, of St. Luke’s-Roosevelt Hospital Center in New York and colleagues. “This suggested that foreign-born US residents might be at increased risk for later onset of allergic disease,” the authors concluded.

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