Dear Dr. Roach: My wife believed she had lactose intolerance. After some tests, it was found that she was sensitive to casein rather than lactose. Are there other things in cow’s milk besides lactose ...

Lactose intolerance is caused by a lack of the enzyme lactase, leading to digestive symptoms when the body cannot break down milk sugar. Milk protein intolerance involves an immune response to ...

Dear Dr. Roach: My wife believed she had lactose intolerance. After some tests, it was found that she was sensitive to casein rather than lactose. Are there other things in cow's milk besides lactose ...

If you're a cheese lover, but it frequently upsets your stomach, you might think you have lactose intolerance. But if taking digestive enzymes or eating lactose-free dairy doesn't help your diarrhea ...