A research team based in Cambridge are looking at why some people outgrow it. They are looking for both for people who still have the allergy and those who have outgrown it. I don't know if they can study people who don't live near Cambridge but sometimes they can arrange for doctors elswhere to help. Contact details are Dr Andrew Clark, Addenbrookes tel 01223 762 603 or e-mail [email protected] Can give full address if anyone wants it.