Background Studies have shown wide variation in the prevalence of lactose malabsorption
across the world, but no systematic reviews or meta-analyses have recently assessed the …

Lactose intolerance related to primary or secondary lactase deficiency is characterized by
abdominal pain and distension, borborygmi, flatus, and diarrhea induced by lactose in dairy …

Humans are a puzzling species. On the one hand, we struggle to survive on our own in the
wild, often failing to overcome even basic challenges, like obtaining food, building shelters …

Abstract In European and many African, Middle Eastern and southern Asian populations,
lactase persistence (LP) is the most strongly selected monogenic trait to have evolved over …

The Archaeology of Human Bones provides an up to date account of the analysis of human
skeletal remains from archaeological sites, introducing students to the anatomy of bones …

Farming and sedentism first appeared in southwestern Asia during the early Holocene and
later spread to neighboring regions, including Europe, along multiple dispersal routes …

Human Evolutionary Genetics is a groundbreaking text which for the first time brings
together molecular genetics and genomics to the study of the origins and movements of …

Scientific advances in this field have not only given us a better understanding of what is an
optimal diet, but has allowed food and nutraceutical companies to market products with …

Lactase persistence—the ability of adults to digest the lactose in milk—varies widely in
frequency across human populations. This trait represents an adaptation to the …

Members of the genus Brucella are pathogenic bacteria exceedingly well adapted to their
hosts. The bacterium is transmitted by direct contact within the same host species or …