Millions of people in the UK have self-diagnosed a food intolerance and may be avoiding key foods as a result, a poll by a testing firm suggests.
Less than a quarter of the 12 million people who claim to be food intolerant have had their condition formally diagnosed.
While many of the nine million who also claim to be intolerant may well be so, it is suggested they may just be fussy.
BBC News September 18, 2007