New studies show that allergies to milk and egg are harder to outgrow than has been widely accepted.
Researchers from Johns Hopkins Children's Center in Baltimore in the United States have found that while food allergies such as those to milk and egg were usually outgrown by age three a generation ago, that is no longer the case with the allergies now often persisting for much longer.
Milk allergies affect 2 per cent of children and eggs allergies 3 per cent in the US. This makes them the two most common food allergies in the country. The latest findings come from two seperate studies which are both published in the Journal of Clinical Immunology.
Lead researcher Robert Wood, M.D., head of allergy and immunology said: "The bad news is that the prognosis for a child with a milk or egg allergy appears to be worse than it was 20 years ago."