Front

What is lactose intolerance?

Back

Lactose intolerance is the inability to properly digest lactose, a sugar found in milk and dairy products, due to insufficient production of the enzyme lactase.

Front

What enzyme is responsible for digesting lactose?

Back

Lactase is the enzyme responsible for breaking down lactose into glucose and galactose.

Front

Is lactose intolerance the same as a milk allergy?

Back

No, lactose intolerance is not the same as a milk allergy. Lactose intolerance involves digestive issues, while a milk allergy involves the immune system reacting to proteins in milk.

Front

What percentage of the world's population is estimated to be lactose intolerant?

Back

Approximately 60% of the world's population is estimated to be lactose intolerant.

Front

What are common symptoms of lactose intolerance?

Back

Common symptoms include bloating, diarrhea, gas, and fatigue after consuming lactose-containing foods.

Front

How does lactose intolerance vary among different racial groups?

Back

The incidence of lactose intolerance varies significantly among different racial groups, with some populations having a higher prevalence than others.

Front

What happens in the body when someone with lactose intolerance consumes dairy?

Back

When someone with lactose intolerance consumes dairy, undigested lactose ferments in the gut, leading to symptoms like gas and bloating.

Front

Can lactose intolerance develop later in life?

Back

Yes, lactose intolerance can develop later in life, often after infancy, as the body reduces lactase production.

Front

What is the difference between food intolerance and food allergy?

Back

Food intolerance typically involves digestive issues, while food allergy involves an immune response to a food protein.

Front

What is a common misconception about lactose intolerance?

Back

A common misconception is that lactose intolerance is the same as a milk allergy.