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The Boston Globe

Health & wellness

G Cover

Fighting food allergies

Newer blood tests show that many children are misdiagnosed, while researchers look for a cure

After five years of living with food allergies, Shoshana Blumenfeld was adept at avoiding a variety of foods offered at play dates and school birthday parties, including legumes, carrots, apples, peaches, and anything with nuts. But the 11-year-old from Natick couldn’t contain her excitement when her allergist gave her some stunning news in June: A relatively new blood test revealed that she wasn’t allergic to those foods after all, but was instead allergic to birch pollen, which has similar allergy-triggering proteins.

“My sister used to sing about how much she loved peanut butter and it made me so sad not to have any,” Blumenfeld said. “Right after we heard from the doctor, I made my mom stop at the grocery store on the way home so I could get some. It was amazing.”

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