In people who develop food allergies after 2 years of age, what is the most common means of initial food allergen exposure?

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Children and adults who develop food allergies after 2 years of age are more likely to develop allergies by inhalant exposure as opposed to consumption.During fetal development and infancy, antigen exposure can occur through maternal diet, as has been seen in the development of peanut and tree nut allergies.However, these types of food allergies will normally manifest before 2 years of age.

In People Who Develop Food Allergies After 2 Years of Age