Kris Moore wrote:
< However, the more I read and learn, the more I believe 
there is a group of people for whom the separation between 
the two conditions is NOT so obvious or easy to identify.<

I sympathize with your daughter's problems, Kris. But her reactions 
bolster my position. That she did not have a reaction to 
the breath test would appear to mean that her symptoms are all 
allergy driven, and not from LI. A surprisingly large percentage 
of people with LI show no symptoms at all. On the other hand, milk 
hypersenstitivity symptoms in children can be mostly gastrointestinal.

Just to clarify my position: The fact that milk allergies and 
lactose intolerance are unrelated does not preclude a person 
from suffering from both. It is also possible that damage to the 
intestines from allergies, such as from gluten, may destroy the 
body's ability to manufacture lactase, a problem known as 
Secondary LI.
 
However, the natural decline of lactase production after weaning
is not known to have any external causes, and can't be speeded 
up or slowed down by anything we know of now.

Steve Carper