Portal:Human sexuality

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Welcome to the human sexuality portal

Human sexuality is the way people experience and express themselves sexually. This involves biological, psychological, physical, erotic, emotional, social, or spiritual feelings and behaviors. Because it is a broad term, which has varied with historical contexts over time, it lacks a precise definition. The biological and physical aspects of sexuality largely concern the human reproductive functions, including the human sexual response cycle.

Someone's sexual orientation is their pattern of sexual interest in the opposite and/or same sex. Physical and emotional aspects of sexuality include bonds between individuals that are expressed through profound feelings or physical manifestations of love, trust, and care. 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, moral, ethical, and religious aspects of life.

Interest in sexual activity normally increases when an individual reaches puberty. Although no single theory on the cause of sexual orientation has yet gained widespread support, there is considerably more evidence supporting nonsocial causes of sexual orientation than social ones, especially for males. Hypothesized social causes are supported by only weak evidence, distorted by numerous confounding factors. This is further supported by cross-cultural evidence, because cultures that are tolerant of homosexuality do not have significantly higher rates of it.

Evolutionary perspectives on human coupling, reproduction and reproduction strategies, and social learning theory provide further views of sexuality. Sociocultural aspects of sexuality include historical developments and religious beliefs. Some cultures have been described as sexually repressive. The study of sexuality also includes human identity within social groups, sexually transmitted infections (STIs), and birth control methods. (Full article...)

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Scientific illustration of a flaccid, circumcised penis, with pubic hair and testicles visible
Scientific illustration of a flaccid, circumcised penis, with pubic hair and testicles visible
The human penis is an external male sexual organ. It is a reproductive, intromittent organ that additionally serves as the urinal duct. The main parts are the root (radix); the body (corpus); and the epithelium of the penis including the shaft skin and the foreskin covering the glans penis. The body of the penis is made up of three columns of tissue: two corpora cavernosa on the dorsal side and corpus spongiosum between them on the ventral side. The human male urethra passes through the prostate gland, where it is joined by the ejaculatory duct, and then through the penis. The urethra traverses the corpus spongiosum, and its opening, the meatus /mˈtəs/, lies on the tip of the glans penis. It is a passage both for urine and for the ejaculation of semen.

The penis is homologous to the clitoris. An erection is the stiffening and rising of the penis, which occurs during sexual arousal, though it can also happen in non-sexual situations. The most common form of genital alteration is circumcision, removal of part or all of the foreskin for various cultural, religious, and more rarely, medical reasons. There is controversy surrounding circumcision.

While results vary across studies, the consensus is that the average erect human penis is approximately 12.9–15 cm (5.1–5.9 in) in length with 95% of adult males falling within the interval 10.7–19.1 cm (4.2–7.5 in). Neither age nor size of the flaccid penis accurately predicts erectile length. (Full article...)

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Did you know

Au Salon de la rue des Moulins, Henri de Toulouse-Lautrec
Au Salon de la rue des Moulins, Henri de Toulouse-Lautrec
Catherine Grand
Catherine Grand

 • ... that the French lawyer and historian Nicolas Chorier was also a writer of erotic fiction (work pictured)?
 • ... that Charles de Talleyrand described his wife, Catherine Grand (pictured), as "an Indian, very beautiful, very lazy, the most idle woman he had ever known"?
 • ... that before becoming King of the United Kingdom, Edward VII was a frequent visitor to the luxurious Belle Époque brothel Le Chabanais in Paris and had himself built a special "love seat" there? (painting of Le Chabanais by Toulouse-Lautrec pictured)
 • ... that some birds, including flamingos, display homosexual behavior?
 • ... that more than 200 species of mammals display homosexual behavior including oral sex, genital stimulation, and urolagnia?
 • ... that the erotic depiction on the Oinochoe (pictured) by the Shuvalov Painter is one of the most frequently illustrated works of Greek vase painting?

August - December 2007

Human sexuality in the news

18 May 2024 – LGBT rights in Peru
Hundreds of protesters march in Lima, Peru, to demand the reversal of a new law that describes transgender people as having a mental illness. (Reuters)
1 May 2024 – Homosexuality and Methodism
The United Methodist Church votes 692–51 to repeal a longstanding ban on LGBTQ clergy while additionally prohibiting superintendents from forbidding a same-sex wedding. (AP)
30 April 2024 –
French prosecutors announce that actor Gérard Depardieu will be tried for the alleged sexual assault of two women in 2021. (euronews)
27 April 2024 – LGBT rights in Iraq
Iraq's parliament votes to criminalize same-sex relationships, to be punishable by a maximum of 15 years in prison. (Reuters)

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