Final answer:
Common food allergens include shellfish and wheat. Symptoms of food allergies range from itching to anaphylaxis. Early introduction of allergens to infants can prevent allergies.
Explanation:
Shellfish and wheat are common food allergens. According to the FDA, the eight most common food allergens include milk, eggs, peanuts, tree nuts, fish, shellfish, soy, and wheat.
Food allergies can cause symptoms like itching, swelling, abdominal pain, vomiting, diarrhea, and in severe cases, difficulty breathing or anaphylaxis.
Research shows that introducing common food allergens to infants early on can help prevent the development of allergies, with peanut products being a notable example.
Learn more about Food Allergies here:
https://brainly.com/question/48785659
