Lactose intolerance affects 70% of the global population, causing symptoms like bloating and diarrhea due to insufficient lactase enzyme. While genetic intolerance is incurable, temporary cases ...

“The work is interesting as many ethnic groups from Africa were studied and haplotypes were constructed that gave data about the migrations of the LP [lactase persistence] alleles,” Irma Järvelä of ...

Trouble with lactose intolerance tends to begin in adulthood, when your body gradually makes less lactase, an enzyme that breaks down lactose. Some people might not notice this change in their ...

This happens when the small intestine doesn't produce enough lactase, the enzyme needed to break down lactose. While the enzyme increases as we grow, it is produced in large quantities the body ...