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Stomach Pain

So What is Lactose Intolerance, Really?

Jeanette N. Keith M.D. | Posted 04.14.2013 | Healthy Living
Jeanette N. Keith M.D.

Lactose intolerance -- it's a term we hear used often, especially when discussed among issues like stomach aches and food intolerances such as Celiac disease. But what does it really mean? Who and how many of us are actually affected by it? And does it mean you need to eliminate any foods from your diet?