This “gradual reduction” of lactase production is called lactase non-persistence or acquired lactase deficiency. Dr. Janese Laster, a board-certified gastroenterologist and founder of Gut ...

“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 ...

Analyzing ancient DNA from the skeletal remains of eight late Neolithic Iberian people, scientists now present evidence to suggest that one such hypothesis—that lactase persistence was selected for ...

This mutation is in a DNA region that regulates the lactase gene's function. The lactase persistence gene in Europe first ...