Popular culture is smitten with “the girls.” They’ve been ogled for thousands of years, produced milk for thousands of years and even been exposed during a Super Bowl halftime show. We wonder why men have nipples, yet, how much do we really know about our own breasts?
1. Women’s breasts stay full whether they are lactating or not. This is quite different from other primates, and rather interesting seeing as our ancestral history goes back to apes. In observing female primates, such as the chimpanzee or baboon, scientists have found that their breasts only become full when they are lactating in order to feed their young.
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