Some people notice it slowly. A glass of milk that once felt harmless now brings discomfort. Others remember it clearly, a ...

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 a condition in which you have digestive symptoms — such as bloating, diarrhea and gas — after consuming foods or drinks that contain lactose. Lactose is a sugar that is ...

Lactose intolerance is the most common food sensitivity worldwide. Lactose intolerance and dairy allergy are not the same, but the differences can be misunderstood. How do you know if you are ...

A curious and paradoxical intolerance for lactose across the South Asian subcontinent could help explain why the ability for ...