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Message Subject How humans are not physically created to eat meat
Poster Handle Anonymous Coward
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Meat Eating Behind Evolutionary Success of Humankind, Global Population Spread, Study Suggests

ScienceDaily (Apr. 19, 2012) — Carnivory is behind the evolutionary success of humankind. When early humans started to eat meat and eventually hunt, their new, higher-quality diet meant that women could wean their children earlier. Women could then give birth to more children during their reproductive life, which is a possible contribution to the population gradually spreading over the world. The connection between eating meat and a faster weaning process is shown by a research group from Lund University in Sweden, which compared close to 70 mammalian species and found clear patterns.

Learning to hunt was a decisive step in human evolution. Hunting necessitated communication, planning and the use of tools, all of which demanded a larger brain. At the same time, adding meat to the diet made it possible to develop this larger brain.

"This has been known for a long time. However, no one has previously shown the strong connection between meat eating and the duration of breast-feeding, which is a crucial piece of the puzzle in this context. Eating meat enabled the breast-feeding periods and thereby the time between births, to be shortened. This must have had a crucial impact on human evolution," says Elia Psouni of Lund University.

More at [link to www.sciencedaily.com]
 Quoting: Laura Bow


Eating Meat Made Us Human, Suggests New Skull Fossil

Fragments of a 1.5-million-year-old skull from a child recently found in Tanzania suggest early hominids weren't just occasional carnivores but regular meat eaters, researchers say.

The finding helps build the case that meat-eating helped the human lineage evolve large brains, scientists added.

"I know this will sound awful to vegetarians, but meat made us human," said researcher Manuel Domínguez-Rodrigo, an archaeologist at Complutense University in Madrid.

Past research suggested prehuman hominids such as australopithecines may have eaten some meat. However, it is the regular consumption of meat that often is thought to have triggered major changes in the human lineage, the genus Homo, with this high-energy food supporting large human brains.


More at [link to www.livescience.com]
 Quoting: Laura Bow


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