Diarrhea that develops after you eat lunch meat may be related to one of several health issues, such as a food allergy or intolerance, immune dysfunction, or even food poisoning. Lunch meats are often ...

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 ...