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Word: prolactin (lookup in dictionary) (lookup stats)
Dates: during 2010-2019
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What happens when a guy is becoming a father? The hormone testosterone is going down and the hormone prolactin is going up in the male brain, because he is smelling the pheromones of his pregnant wife. Prolactin is the hormone in females that makes breast milk. We don't know what it's doing in males yet. We assume it has something to do with making the daddy-brain circuits. By the time the baby is born, he's able to hear infant cries much better. So something about his auditory-perceptual system has actually changed. His sex drive...

Author: /time Magazine | Title: The Male Brain: More Complex Than You Think | 3/30/2010 | See Source »

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