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The Physiology of Love and Homosexuality

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  1. Introduction
  2. Neurotransmitters: Physical attraction or romantic attraction
  3. Darwinian explanation for why love exists
  4. Physiological differences in brain structure as a cause of homosexuality
  5. Conclusion
  6. Works cited

Usually love finds its place in literature, an ideal romantics hold closely to their hearts. Studies, however, show that love belongs more in the logical world of science rather than the idealistic realm of romance. Darwinian evolution, neurotransmitters and autonomic functioning appear to provide the main basis for love, with its true root lying in the brain rather than the heart. While love varies in its intensity and form from the lust present in a one night stand to the tender warmth between a mother and child, romantic love exhibits a very specific set of traits across all couples. In the past, romantic love has been put in terms of heterosexual couples because homosexual couples were thought to be unnatural perversions, but recent evidence proves that homosexuality has a far more natural and biological basis than was previously thought, suggesting that homosexuals experience the same romantic love as heterosexuals.

[...] The lack of reproduction cited as proof of the maladaptive nature of homosexuality may actually cause its proliferation through many species of animals is nature and in human societies. Physiological differences in brain structure may also cause homosexuality. hypothalamus is located on either side of the brain's third ventricle and plays a key role in sex, diet, cardiovascular performance, control of body temperature, stress, emotional response, growth, and many other functions? (Stein 135). The hypothalamus and amygdale also contribute to sexual desire and arousal (Fisher 89-90). [...]

[...] 8269) Men and women process these pheromones differently, with men processing AND in the normal olfactory areas of the brain and EST in the anterior hypothalamus and women processing them in the opposite manner (8269). This sex-differentiated processing suggests that pheromones play a significant role in which sex a person prefers for romance. Neurotransmitters can also mean the difference between physical attraction from a distance and romantic attraction that turns into an actual relationship. Alberts tracks the neurotransmitters through her article Chemistry of Love. [...]

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