<P> Common foods involved include cow 's milk , peanuts , eggs , shellfish , fish , tree nuts , soy , wheat , rice , and fruit . The common allergies vary depending on the country . Risk factors include a family history of allergies , vitamin D deficiency , obesity , and high levels of cleanliness . Allergies occur when immunoglobulin E ( IgE ) , part of the body 's immune system , binds to food molecules . A protein in the food is usually the problem . This triggers the release of inflammatory chemicals such as histamine . Diagnosis is usually based on a medical history , elimination diet , skin prick test , blood tests for food - specific IgE antibodies , or oral food challenge . </P>
<P> Common foods involved include cow 's milk , peanuts , eggs , shellfish , fish , tree nuts , soy , wheat , rice , and fruit . The common allergies vary depending on the country . Risk factors include a family history of allergies , vitamin D deficiency , obesity , and high levels of cleanliness . Allergies occur when immunoglobulin E ( IgE ) , part of the body 's immune system , binds to food molecules . A protein in the food is usually the problem . This triggers the release of inflammatory chemicals such as histamine . Diagnosis is usually based on a medical history , elimination diet , skin prick test , blood tests for food - specific IgE antibodies , or oral food challenge . </P>
food allergies are autoimmune responses to which specific type of nutrient
food allergies are autoimmune responses to which specific type of nutrient
protein
protein