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But both findings suggest that the hypothalamus is organized in a way related to sexual orientation. Dean Hamer, a geneticist at the National Institutes of Health. The finding is similar to a report in by Dr. The gay men responded to the two chemicals in the same way as did women, Dr.

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LeVay, which is a mere millimeter or so across. View all New York Times newsletters. Gay men have fewer children, meaning that in Darwinian terms, any genetic variant that promotes homosexuality should be quickly eliminated from the population. Thank you for subscribing. Catherine Dulac, a Harvard University biologist who studies pheromones in mice, said that if a chemical modified the function of the hypothalamus, that might be enough to regard it as a pheromone.

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The two chemicals in the study were a testosterone derivative produced in men's sweat and an estrogen-like compound in women's urine, both of which have long been suspected of being pheromones. LeVay, which is a mere millimeter or so across. Events Guide Television Theater Video. Savic's suggest that the hypothalamus is specifically organized in relation to sexual orientation, he said. Hamer noted, if it were applied to people of different ages to see when in life the different pattern of response developed. This is a region in the central base of the brain that governs sexual behavior and, through its control of the pituitary gland lying just beneath it, the hormonal state of the body. An error has occurred.

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Description: But the technique might provide an answer, Dr. All contents are provided by non-affiliated third parties. Savic and colleagues showed that the two chemicals activated the brain in a quite different way from ordinary scents. The male sweat chemical, on the other hand, did just the opposite. it activated mostly the hypothalamus in women and the smell-related regions in men. Free cute gay feet movies east boys first time Sleepy Kenny Gets Foot. She said the Swedish study was extremely interesting, even though "humans are a terrible experimental subject. Mice are known to influence each other's sexual behavior through emission of chemicals that act like hormones on the recipient's brain and so are known as pheromones.
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