The good news: It doesn't mean you have to say goodbye to your favorite slice of pizza.

Lactose intolerance and malabsorption are conditions that arise from an insufficient production of lactase, the enzyme essential for the digestion of lactose in the small intestine. This enzyme ...

Here’s why it’s growing fast.

What fresh hell is this? Can you become lactose intolerant as an adult? Lactose intolerance, of course, is when your small intestine doesn’t make enough of the enzyme lactase to break down the sugar ...

Most people who suffer from the telltale symptoms of bloating, gas, gut pain and nausea after consuming milk believe they have lactose intolerance. But a new Italian study suggests that only a third ...

Sometimes, consuming dairy products may lead to discomfort, leaving many confused about what their body is trying to ...

For those who are lactose-intolerant, eating ingredients that have high levels of lactose can cause some very uncomfortable digestive woes, from bloating and gas to cramping and serious stomach pain.

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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Lactose intolerance is extremely prevalent, especially within non-white populations, such as those of ...