Stanford University
This is a protocol for prescreening of participants who would like to be in clinical studies in our Center at Stanford.
Inclusion Criteria: * Any individual with possible food allergy (as per their clinical history) who is interested in performing the gold standard food challenge for diagnosis. Exclusion Criteria: * Any individual who does not consent * Any individual who is currently taking oral steroids * Any individual with moderate to severe asthma (FEV1\<80%)