Babies as young as four months old should be given peanut butter or peanut snacks, scientists have said after a study predicted that the growing tide of peanut allergies can be reversed.
About one in 50 schoolchildren in the UK have a peanut allergy. The number of those allergic in the UK and North America has more than doubled in the last 10 years, and cases have emerged in Africa and Asia. In severe cases the allergy can lead to anaphylaxis, which can be fatal.
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