Kids Lower Testosterone Levels
September 13, 2011 by staff
Kids Lower Testosterone Levels, It turns out that parents are losing much more than the dream of a child arrives. New parents also experience a sharp decline in the levels of the male sex hormone testosterone.
At least that’s what scientists have concluded a long-term study of more than 600 men in the Philippines.
The scientists found that single men who started with relatively high levels of testosterone were more likely than men to become fathers. But once the baby arrived, testosterone levels plummeted.
And parents who reported spending at least three hours a day with their children had even lower testosterone levels than other parents, the researchers report in the Proceedings of the National Academy of Sciences.
Changes in testosterone are similar to what has been found in other species in which parents raise their young.
And this type of hormonal adjustment makes sense from an evolutionary perspective, researchers say. After all, research suggests that high testosterone tends to make males more aggressive, more selfish and more likely to take risks.
Apparently humans have developed a system for the regulation of male testosterone is “committed to parenthood reponsive,” the authors conclude.
“Human beings give birth to infants who are very dependent,” said Northwestern University anthropologist, Lee Gettler, co-author, The New York Times. “Historically, the idea that men were out animals and big clubs were women with babies has been widely discredited. The only way mothers could bear children in great need of every couple of years if it were to seek help.”
And another thing that can reduce testerone father, mother’s tears. Israeli researchers reported earlier this year when studies showed that testosterone levels fell and brain areas involved in sexual arousal subsides after the men sniffed a woman’s tears. When men smelled smelled the salt water had dripped down his cheek of a woman, there was no effect.
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