Final answer:
There are eight major food allergens that can cause allergies. Common symptoms include itching and swelling of the lips and mouth, vomiting and diarrhea, and trouble breathing.
Step-by-step explanation:
There are eight major food allergens that are most likely to cause allergies. These allergens include nuts, eggs, grains, milk, shellfish, fish, soy, and peanuts.
Some common symptoms of food allergies include itching and swelling of the lips and mouth, vomiting and diarrhea, and trouble breathing.
It is important to note that not everyone responds in the same way to food allergies, and the severity of symptoms can vary from person to person.