Allergic Children Able to Build-Up Tolerance to Peanuts: Study

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British scientists say they've successfully built up tolerance in children with severe peanut allergies.

The study included four children who were given small daily doses of peanut flour mixed into yogurt. Over six months, the doses were increased to the equivalent of five whole peanuts. By the end of the trial, the children could eat at least 10 peanuts without suffering any allergic reaction, Agence France Presse reported.

The findings appear in the journal Allergy.

The researchers at Addenbroke's Hospital in Cambridge are continuing the trial, which now includes 20 children ages seven to 17. Some of them can now eat 12 peanuts a day, AFP reported.

"At the moment we know that if they continue to eat five peanuts a day, their tolerance is maintained. If they were to stop, then there is some evidence that tolerance would be lost and they may have a reaction," said research leader Andrew Clark, a consultant in pediatric allergy.