Lactose intolerance can cause constipation in some people, but it can also cause other symptoms such as diarrhea, cramping, and gas. Lactose intolerance is a condition that occurs when the body cannot ...

People develop lactose intolerance when their bodies don’t make enough of the enzyme lactase for the amount of dairy they consume, says Dr. Christopher Schmoyer, an assistant professor of ...

Lactose intolerance is an inability to digest the sugar in milk, called lactose. It’s a common problem that affects up to 68 percent of people. Normally, your small intestines produce an enzyme called ...