Lactose intolerance occurs when your body is unable to digest the sugar lactose, which is found in milk and milk products. This causes uncomfortable symptoms including gas, bloating, cramps and even ...

Are you struggling with an upset stomach after you eat a scoop of ice cream? You might be lactose intolerant. People who are lactose intolerant are unable to digest lactose, a sugar found in milk and ...

A stomach pain can leave you uncomfortable throughout the day. What’s worse is that several underlying conditions can cause it, and without truly understanding the exact cause, recovery is likely to ...

NEW YORK (AP) _ Scientists have apparently identified a genetic cause of lactose intolerance, which affects 30 million to 50 million Americans. The work may lead to a simple diagnostic blood test.

It can be challenging to tell the difference between a milk (dairy) allergy and a reaction to the lactose in milk (which is lactose intolerance). They can both cause gas, diarrhea, and vomiting, but ...

This article was featured in One Story to Read Today, a newsletter in which our editors recommend a single must-read from The Atlantic, Monday through Friday. Sign up for it here. Almost every human ...

Dear Doctor K: What is the difference between a food allergy and a food intolerance? Dear Reader: They both involve food, but other than that, food allergies and food intolerances have little in ...

Q. You recently wrote about foods that cause flatulence. Folks should know many pills contain lactose as a filler. Even though it may be a tiny amount in each pill, for the lactose-intolerant, this is ...

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 ...

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 ...