Peanuts allergy

Peanut allergy treatment 'in sight'

None of nearly 500 four- to 17-year-olds from the US and Europe could tolerate even a 10th of a peanut dose.

But after taking tiny daily doses for a year, two-thirds could tolerate at least two whole peanuts.

Emily Pratt, six, told the BBC's Today programme it had made a big difference. "I couldn't have a birthday cake at parties and now I can," she said.

She can now tolerate about seven peanuts, which means she can safely eat foods even if they may contain traces of peanut.

Emily's mum, Sophie, from north London, said: "It's been a constant stress.