According to the Feingold Association of the United States website, accessed on 2 July 2013,
“Although foods / additives can induce many different symptoms in different people, the majority of families who use the Feingold Program do so to help a family member with behavior and/or learning problems”.
The website listed a number of groups who may benefit including those with a wide range of conditions including ADD/ADHD, allergy, asthma, autism/PDD)/Asperger syndrome, conduct disorder, depression, eczema, gastrointestinal (GI) problems, learning difficulties, Tourette syndrome etc.