At one time or another, you've probably come across someone who is lactose intolerant and might experience some unpleasant gut symptoms if they have dairy. Meanwhile, cow's milk allergy is one of the most common food allergies in infants and young children, affecting around one in 100 infants. But what's the difference between food allergies and food intolerances? While they might seem alike, there are some fundamental differences between the two.
Source: Medical Xpress