A decade after a landmark study proved that feeding peanut products to young babies could prevent them developing life-threatening allergies, it's making a big difference in the real world.

About 60,000 children have avoided developing peanut allergies after guidance first issued in 2015 upended medical advice by recommending introducing the allergen to babies as young as four months.

"That's a remarkable thing, right?" said David Hill, an allergist and researcher at Children's Hospital of Philadelphia, and author of a study published on Monday in the medical journal Pediatrics.

Hill and colleagues analysed electronic health records from dozens of pediatric practices to track diagnoses of food allergies in young children before, during and after the guidelines were issued.

"I can actua

See Full Page