“Lactose intolerance occurs when the small intestine produces insufficient amounts of lactase, an enzyme needed to digest lactose, a sugar found in dairy products. This deficiency can be ...

“This is the largest study to date of the genetic basis of lactose tolerance across Africa,” said Penn ... were constructed that gave data about the migrations of the LP [lactase persistence] alleles, ...

If you find yourself unable to drink coffee with heavy cream or eat anything too cheesy without getting sick, then you could ...

We therefore screened rats in order to select a subgroup that had a flat plasma glucose curve after feeding with lactose and were by this definition lactase-deficient. These rats were randomly ...