Lactose intolerance occurs when someone doesn't
make enough lactase, the enzyme that breaks down lactose in the intestine.
People who are lactose intolerant do not
make enough lactase naturally to separate and digest the lactose.
Not exact matches
Lactose intolerance occurs when the small intestine does not
make enough of the enzyme
lactase.
They have plenty
enough sunlight for most of the year to
make vitamin D, and yet still many are
lactase persistent.