Answer:
Food Intolerance.
Elizabeth, a 12-year-old girl, suffers from indigestion every time she consumes dairy products like milk and cheese. However, dairy consumption has never triggered an immune response in her. In this case, the reason for such physiological reaction is most likely due to food intolerance.
Step-by-step explanation:
Food intolerance can be defined as the food hypersensitivity which results in difficulty in digestion of some particular food due to certain allergic reactions.
Some most common food which creates food intolerance are:
Dairy products.
Gluten.
Amines.
Caffeine.
Fructose.
Sulfites etc.
Some of the most common symptoms of food intolerance are:
Vomiting.
Nausea.
Bloating, gas or cramps.
Stomach pain.
heart burn.
headache.
Diarrhea etc.