Children can be protected from the dangerous effects of peanut allergy by slowly building up their tolerance, according to new research.
After six months of the therapy, up to 90 per cent of allergic children taking part in a study could safely eat five peanuts a day.
Doctors warn the treatment should only be done by medical professionals in specialist settings.
11 year old Lena Barden is one of 99 young people who took part in the trial:
