Neanderthal molar suggests early weaningtags: human evolution, Neanderthals, human behavior, Nature
Modern mothers love to debate how long to breast-feed, a topic that stirs both guilt and pride. Now — in a very preliminary finding — the Neanderthals are weighing in.
By looking at barium levels in the fossilized molar of a Neanderthal child, researchers concluded that the child had been breast-fed exclusively for the first seven months, followed by seven months of mother’s milk supplemented by other food. Then the barium pattern in the tooth enamel “returned to baseline prenatal levels, indicating an abrupt cessation of breast-feeding at 1.2 years of age,” the scientists reported on Wednesday in the journal Nature.
While that timetable conforms with the current recommendations of the American Academy of Pediatrics — which suggests that mothers exclusively breast-feed babies for six months and continue for 12 months if possible — it represents a much shorter span of breast-feeding than practiced by apes or a vast majority of modern humans. The average age of weaning in nonindustrial populations is about 2.5 years; in chimpanzees in the wild, it is about 5.3 years. Of course, living conditions were much different for our evolutionary cousins, the Neanderthals, extinct for the last 30,000 years....
comments powered by Disqus
- Poll: Majority Of Americans Say Obama Is Mixed Race, Not Black
- New technology helps paleontologists see Ice-Age bee in intricate detail
- History textbooks in crosshairs of Australia's curriculum wars
- Archaeologists' findings may prove Rome a century older than thought
- 150 years of medical journals to go online
- She Came All the Way from Melbourne to Attend the OAH
- The 7 Most Popular HNN Videos from the 2014 OAH
- U.Va. Historian Alan Taylor Wins 2014 Pulitzer for Book on Slaves and War -- His second Pulitzer!
- UW Professor Stephanie Camp, 46, feminist historian, dies
- Italian forces in WW2 were not soft and Mussolini wasn't a clown, British historian claims