1. Update on risk factors for food allergy
Gideon Lack, MD 
Journal of Allergy and Clinical Immunology 
Volume 129, Issue 5, Pages (May 2012)
DOI: /j.jaci
Copyright © 2012 American Academy of Allergy, Asthma & Immunology Terms and Conditions

2. Fig 1
Dual-allergen exposure hypothesis for the pathogenesis of FA. Allergic sensitization results from cutaneous exposure, and tolerance occurs as a result of oral exposure to food. GI, Gastrointestinal.
Reprinted with permission from Lack.1
Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci )
Copyright © 2012 American Academy of Allergy, Asthma & Immunology Terms and Conditions

3. Fig 2
PA among children with FA (n = 293) as a function of environmental exposure depending on whether child first ate peanuts by 12 months of age.
Reprinted with permission from Fox et al.67
Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci )
Copyright © 2012 American Academy of Allergy, Asthma & Immunology Terms and Conditions

4. Fig 3
Early consumption of peanuts in infancy is associated with a low prevalence of PA.
Adapted from Du Toit et al.13
Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci )
Copyright © 2012 American Academy of Allergy, Asthma & Immunology Terms and Conditions

5. Fig 4
Ratio of stimulation index (SI) in the cutaneous lymphocyte antigen (CLA) subset relative to the SI in the α4β7 subset for patients with PA (n = 10) and nonallergic patients (NA; n = 10) with 400 μg/mL peanut antigen and OVA. Median values are represented by bars.
Journal of Allergy and Clinical Immunology  , DOI: ( /j.jaci )
Copyright © 2012 American Academy of Allergy, Asthma & Immunology Terms and Conditions