Is Human Sexuality The Result Of Nature - amazonia.fiocruz.br

Is Human Sexuality The Result Of Nature Video

Human sexuality is the way people experience and express themselves sexually. Someone's sexual orientation is their pattern of sexual interest in the opposite or same sex. Social aspects deal with the effects of human society on one's sexuality, while spirituality concerns an individual's spiritual connection with others. Sexuality also affects and is affected by cultural, political, legal, philosophical, moralethicaland Sexualihy aspects of life. Interest in sexual activity typically increases when an individual reaches puberty. Hypothesized social causes are supported by only weak evidence, distorted by numerous confounding factors.

Evolutionary perspectives on human coupling, reproduction and reproduction strategiesand social learning theory provide further views of sexuality.

Some cultures have been described as sexually repressive. There is considerably more evidence supporting innate causes of sexual orientation than learned ones, especially for males.

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This evidence includes the cross-cultural correlation of homosexuality and childhood gender nonconformitymoderate genetic influences found in twin studiesevidence for prenatal hormonal effects on brain organization, the fraternal birth order effect, and the finding that in rare cases where infant males were raised as girls due to physical Nqture, they nevertheless turned out attracted to females. Cross-cultural evidence also leans more toward non-social causes. Cultures that are very tolerant of homosexuality here not have significantly higher rates of it. Homosexual behavior is relatively common among boys in British single-sex boarding schools, but adult Britons who attended such schools are no more likely to engage in homosexual behavior than those who did not.

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In an extreme case, the Sambia people ritually require their boys to engage in homosexual behavior during adolescence before they have any access to females, yet most of these boys become heterosexual. It is not fully understood why genes causing homosexuality persist in the gene pool.

One hypothesis involves kin selectionsuggesting that homosexuals invest heavily enough in their relatives to offset the cost of not reproducing as much directly. This has not been supported by studies in Western cultures, but several studies in Samoa have found some support for this hypothesis.]