Soy is a member of the legume family, which also includes beans, peas, lentils, and peanuts.
Found in many foods, soy is a common cause of IgE-mediated food allergies in infants and young children.
This is a companion discussion topic for the original article at https://patient.info/news-and-features/the-foods-to-avoid-if-you-have-a-soy-allergy