Doctors and parents have hailed a potentially "life-transforming" breakthrough in allergy treatment after early trial results showed that eating small amounts of trigger foods could build up immunity in children.
Five hospitals have so far joined a £2.5million clinical trial set up in memory of Natasha Ednan-Laperouse, who died in 2016 after suffering a severe allergic reaction to sesame baked into a Pret baguette.
