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If early humans had been vegans we might all still be living in caves, Swedish researchers suggested in an article Thursday. When a mother eats meat, her breast-fed child's brain grows faster and she is able to wean the child at an earlier age, allowing her to have more children faster, the article explains. That provided a distinct competitive advantage for early humans when limited resources and a small population made it difficult...

2012-04-20

 meat breastfeeding child offspring evolution human evolution reproduction
Infanticide is a powerful tool in ensuring the survival of a species, researchers are increasingly finding.

2012-05-21

 evolution survival infanticide child offspring killing overpopulation abortion

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