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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. If you think you're lactose intolerant, here’s exactly what this means for your future. People develop lactose intolerance when ...

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.

About 36% of Americans have some degree of lactose intolerance — a digestive disorder that occurs when the small intestine does not produce enough of the enzyme lactase necessary for breaking down the ...

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 ...

Do you feel a pang of regret after a wedge of brie? Maybe a little queasy following a frappe? I do. I always attributed it to a low-level dairy allergy and assumed that my days of ice cream and cheese ...

New research suggests lactose intolerance can cause nightmares, possibly because of symptoms like stomachache that disrupt sleep. While only a small percentage of people directly connect specific ...

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 ...