Eating meat speeds reproduction in early humans.

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 for them to thrive.

2012-04-20

 meat breastfeeding child offspring evolution human evolution reproduction

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