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Study: Many infants thought to have peanut allergies may not be allergic

An Australian study found about 35% of infants tested had no reaction during a medically supervised peanut challenge, suggesting some early diagnoses may be incorrect.

Published Nov 7, 2026, 5:00 AM EST | LehighValleyLive

A peanut allergy diagnosis can change nearly every meal for a family. But new research suggests some babies believed to have the allergy may actually be able to eat peanuts safely. A new Australian study found about 35% of infants tested had no reaction during a medically supervised peanut challenge, according to News-Medical.