The food intolerance and allergies market has grown some 165% since 2000, according to the latest research from Mintel. Valued at £55.6m (US$89.2m) in 2002, there have been a number of key factors driving this sector, including the growing number of consumers who perceive that they have a food allergy/intolerance.  Dubbed a 'designer disorder', there has also been a recent trend towards the fashionable nature of suffering from food intolerance and avoiding specific food and ingredients.