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Food allergies can cause severe, life-threatening symptoms in kids, making it more than a simple challenge to monitor what they are exposed to and what they eat. A cure could be on the horizon, however, when it comes to peanut allergies.

According to a new study published in The Lancet researchers found that immune-based therapy allowed children with peanut allergies to eat them without any allergic reaction for four years. As a follow-up to an initial two-week study on immunotherapy treatment, researchers tracked the participants for four years after they had initially undergone the treatment program to determine the long-term effects. While other studies have been done on immunotherapy treatment for allergies, this one was unique in that it also included probiotic treatment in combination.

In the report on 48 participants of the initial study, only 4 of the 24 children who had received the immunotherapy and probiotic treatment reported having allergic reactions to peanuts over the course of the four years. While 6 out of the 24 placebo participants reported reactions. In the follow-up study, which looked for unresponsive outcomes to peanut skin prick tests over the course of eight weeks, 7 out of 12 immunotherapy receiving participants showed no reaction, while only 1 out of 15 placebo participants was unreactive.

While more studies are still needed, the results give some hope that there might be a treatment available someday to combat peanut allergies in kids.

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