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A recent study conducted by the Murdoch Children's Research Institute in Australia reveals that more than one-third of infants previously diagnosed with peanut allergies might not actually have them. The study, part of the ADAPT Peanut Oral Immunotherapy Program, involved 778 infants who had shown allergic reactions to peanuts. Surprisingly, 35% of these infants did not react when given peanuts under medical supervision, leading researchers to conclude that their initial diagnoses were incorrect.
The study, which was conducted in collaboration with 10 pediatric hospitals across Australia, suggests that traditional methods of diagnosing peanut allergies, such as skin prick and blood tests, may not be sufficient. According to the Sydney Morning Herald, the researchers recommend that oral food challenges, where infants are given increasing doses of peanuts under medical supervision, should be used more routinely to confirm diagnoses.
Dr. Timothy Brettig, a senior research clinician involved in the study, expressed surprise at the findings. "We found more than one third of infants who were suspected to have peanut allergy based on their history and initial tests no longer reacted when they underwent a supervised food challenge," he said, as reported by Newsmax.
The study highlights the case of one-year-old Arthur Cameron, who initially reacted to peanut butter at five months old. His mother, Leah, was relieved when Arthur passed the oral food challenge without any allergic reaction. "It's a huge relief knowing Arthur can tolerate peanut," she said.
While the study offers hope for many families, it also emphasizes the need for controlled environments when conducting oral food challenges, as 12% of infants in the study experienced anaphylaxis. Researchers recommend that parents consult with allergy specialists before reintroducing peanuts to their children's diets.