Human sexual activities or human sexual practices or human sexual behavior refers to the manner in which humans experience and express their sexuality.

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Are confident guys more likely to get a girlfriend?

MenHealth.com writes: Simply put, confidence gets the girl. In Learn How You Can Get A Great Girlfriend on the blog DatingPaladin the author writes: Getting a girlfriend is something that ...
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1answer
114 views

Are nontraditional family units less likely to produce a well-adjusted child? [duplicate]

A recent discussion on the impending referendum in the Republic of Ireland on adding the amendment "Marriage may be contracted in accordance with law by two persons without distinction as to their ...
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1answer
266 views

Does Conversion Therapy cause harm?

There have been many claims that conversion therapy/reparative therapy to convert homosexuals into heterosexuals is harmful or potentially harmful. Does it actually cause harm?
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1answer
1k views

Does frequent sex cause vaginas to become permanently stretched?

This is a common belief, sometimes used to shame women - that virgins have 'tight' vaginas and women who partake in more sexual intercourse have 'loose' vaginas due to permanent stretching. Is this ...
8
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0answers
415 views

Are most women incapable of orgasm through vaginal stimulation alone?

In Wikipedia's article of Orgasm it suggests vaginal stimulation isn't sufficient for women's sexual pleasure: Kinsey found that most of the women he surveyed could not have vaginal orgasms.[59] ...
6
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2answers
881 views

Did banning abortion in Chile lead to lower maternal mortality?

One of the common arguments for legalised abortion is that abortions will continue anyway despite being illegal and these illegal abortions will lead to higher rates of maternal death. This, somewhat ...
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0answers
372 views

Is the spread of internet porn reducing marriage rates?

This site has previously dealt with the question of whether porn use reduces bad sexual behaviour, sex-crime. A recent Washington Post story, Americans aren’t getting married, and researchers think ...
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0answers
370 views

Does orgasm trigger menstruation?

Wikipedia states, without a particularly satisfying source, that: Some sources say that achieving orgasm helps the uterus contract and expel the lining. It does quote some other opinions there, ...
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0answers
681 views

Are polyamorous people happier?

Gleb Tsipursky claims in his article "How Do You Live Happily Ever After When There’s A Love Triagle?": Moreover, research on poly relationships show that people with consensual non-monogamous ...
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2answers
4k views

Is Idaho forcing pastors to conduct same-sex weddings or face penalties?

According to this article from "ADF" and this in the Washington Post, the city of Coeur d'Alene is requiring the Knapps, an ordained couple, to conduct same sex weddings or face penalties for ...
10
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1answer
932 views

Is “Foot Fetish” caused by cross-wiring in the brain?

Definition: Foot fetishism, foot partialism, foot worship, or podophilia is a pronounced sexual interest in feet. For a foot fetishist, points of attraction include the shape and size of the foot and ...
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1answer
325 views

Can morning sex strengthen your immune system for the day?

http://www.womenshealthmag.com/sex-and-relationships/morning-sex Morning sex can strengthen your immune system for the day by enhancing your levels of IgA, an antibody that protects against ...
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2answers
1k views

Is prone masturbation detrimental to your sex life?

Prone masturbation: lying face down and thrusting the penis into or against the bed, pillow, or something else. Prone masturbation's medical term is Traumatic masturbatory syndrome (TMS). ...
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2answers
244 views

Does the intensity of one's sex life influence the probability of getting cancer?

I've heard claims such as People who have sex at least 2 times a week between the age of 20 and 30 are less likely to get cancer later. and People who have too much sex are more likely to ...
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1answer
625 views

Are men more likely to be LGBT than women?

According to this article gay men exceed lesbians as a proportion of the population, and this study suggests that there are more male-to-female transgenders than female to male transgenders. Yet, a ...
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1answer
866 views

Are humans the only species to have permanently enlarged breast?

According to this didyouknowblog (http://didyouknowblog.com/) humans are the only species to have permanently enlarged breast. It quotes an article from the Guardinan ...
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0answers
1k views

Are excessive selfies a “cry for help” from “sexually abandoned” people?

I just read an article in the Spanish newspaper Hoy (not a great source for scientific knowledge) and that says (translated by me): Are you a fan of selfies? Well, a study made by a Dutch ...
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1answer
3k views

In the USA, is AIDS most prevalent in the gay male population?

Back in the early 1980s, AIDS was originally named Gay-related Immune Deficiency (GRID). Researchers renamed the disease as they became aware of the spread of the disease in other demographics. For ...
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0answers
208 views

Abstinence-based vs comprehensive sex education [closed]

I have seen two contradictory claims, which seem like impossible to coexist in the same universe: Abstinence-based sex education does not delay onset of sexual life. (Most studies say so, there is 1 ...
7
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0answers
564 views

Does sneezing repeatedly lead to orgasm, or a similar sensation?

This came up randomly during office talk but it goes something as follows; sneezing repeatedly is equivalent to having an orgasm. Some basic research on the internet seems to indicate there is some ...
3
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0answers
304 views

Is there no victim blaming in armed robbery cases (in the USA)? [closed]

Questioned claim Vice President Joe Biden, in a speech on women's right to free from sexual assault, bemoans how women are often blamed for failing to avoid rape, telling us: No one ever asks the ...
5
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1answer
2k views

Do males commonly use lubricant for masturbation? [closed]

As often seen in Hollywood movies, a bottle of lube (or oil or anything) is something one would always prepare for masturbation. I'll spare you the detail, but as a European I'm, um, not quite ...
15
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2answers
798 views

Do Crisis Pregnancy Centers lie about the results of pregnancy tests?

According to Planned Parenthood, Crisis Pregnancy Centers have a history of providing misleading or wrong information about abortions. Specifically they state: They have a history of giving women ...
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0answers
103 views

Is homosexuality primarily genetic? [duplicate]

It seems to me that, evolutionarily speaking, the fitness of a purely homosexual animal or human is much lower than that of a heterosexual one, and therefore would be strongly selected against. Thus I ...
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2answers
910 views

Are specific scents sexually attractive to women or men?

The idea that certain fragrances can attract women is often used as a marketing tool to sell deodorants or perfumes for men. The same goes for women and men. They claim that if this product is used, ...
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1answer
655 views

Does eating soy affect men's virility?

Several sources claim that eating soy has an effect on estrogen levels (for example, Livestrong, American Cancer Society and sfgate). Some sources go further and say eating soy affects men's ...
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1answer
1k views

Can oral sex cause throat cancer?

(somebody had to ask this) Micheal Douglas, who was diagnosed with throat cancer in 2010, said in a recent interview with the Guardian: Asked whether he now regretted his years of smoking and ...
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1answer
3k views

Was Leonardo da Vinci homosexual?

I have heard it a lot and read somewhere that he was homosexual like one of answers under the same question here: It's rather possible. He had been charged sometime in the late 1400's with sodomy ...
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1answer
718 views

Could smoking cause erectile dysfunction?

I was told that smoking 'menthol' cigarettes could cause erectile dysfunction. But I don't know how much of this is true so I wanted to know how much of this is true... Here is an example of the ...
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2answers
676 views

Are there 40,000 children of same-sex couples in California?

In 2008, California citizens passed a controversial amendment to the state constitution, Proposition 8, defining marriage as between one man and one woman. Recently, the US Supreme Court has begun ...
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0answers
361 views

Does masturbating everynight cause problems in the future? [duplicate]

Did you know that plain and simple, over-masturbation will lead to sexual under performance by way of premature ejaculation, as well as other sexual problems. “Over-production of sex hormones” ...
19
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1answer
4k views

Is or was the husband's knot/stitch a medical procedure?

The "husband's knot" or "husband's stitch" is supposedly a medical procedure that involves adding an extra suture when performing an episiotomy in order to make a woman's vagina tighter, resulting ...
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4answers
1k views

Does homosexuality preserve the species?

From The Huffington Post: For even without a causal link established between homosexuality and population management, the obvious reduction in population growth attributable to homosexuality by ...
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1answer
9k views

Did astronauts or cosmonauts have sex in space?

The Guardian: US and Russian astronauts have had sex in space for separate research programmes on how human beings might survive years in orbit, according to a book published yesterday. ...
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1answer
5k views

Was homosexuality an integral part of samurai life?

The Beautiful Way of The Samurai: Toshiro Mifune, the popular actor famed for his characterizations of quick-witted, taciturn samurai, never uttered a word about it. Akira Kurosawa, the well-known ...
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323 views

Do frank (but not gratuitous) discussions or depictions of sexuality traumatize children?

I've heard many parents, on several occasions, make statements to the effect that they believe it to be harmful to discuss sexuality openly and directly with young children (I'm talking about kids ...
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1answer
553 views

Is there such a thing as an aphrodisiac?

Can the popular belief about some food items acting as aphrodisiacs be verified? The wikipedia article states that However, from a historical and scientific standpoint, the alleged results may ...
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1answer
1k views

Does sex cure headache's symptoms or causes?

The claim that sex cures headaches is commonly quoted. For example, from 10 Reasons Sex is Good For You: 10. Sex Can Cure Headaches A South Illinois School Of Medicine study on 52 migraine ...
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1answer
2k views

Did a man get sentenced to 18 months in prison for accidentally texting a sexually explicit message to his complete address book?

The following article claims that a man in England was sentenced to 18 months in jail for mistakenly blasting on his complete address book using Blackberry Messenger Service a sexually explicit text ...
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2answers
2k views

Does polygamy result in less infidelity and prostitution?

An answer (now deleted) at the new Islam.SE site made the following claim: If one takes a look at society where polygamy is banned or discouraged, you will see that some men will always try to ...
21
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1answer
9k views

Are women's orgasms more powerful than men's?

I wouldn't ask "better", because that's subjective. But anyway, this is something I've heard again and again, and it sounds plausible, but I have never found any scientific studies in the area. I've ...
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1answer
2k views

Can orgasm help prevent breast cancer?

There are several claims that sexual orgasm is good for preventing breast cancer. Example of claim for Women: Happy News Time Blog: Able to reach orgasm is not just make a woman feel satisfied, ...
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1answer
22k views

Do dolphins have homosexual “blowhole” sex?

In his comedy act, Ricky Gervais shows examples of homosexuality in nature, all of them from the book "Biological Exuberance, animal homosexuality and natural diversity" by Bruce Bagemihl. One of the ...
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2answers
4k views

Does a hanged man get an erection?

One of James Joyce's characters explains, in his book, Ulysses: The distinguished scientist Herr Professor Luitpold Blumenduft tendered medical evidence to the effect that the instantaneous ...
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0answers
417 views

Were modern Japan customs for Valentine's Day and White Day instigated by retailers?

In Japan, women give chocolates to men on Valentine's Day, and men give gifts to women on White Day, which falls on March 14. There are various claims that Valentine's Day and White Day customs are ...
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4answers
9k views

Is 94% of male giraffe sexual behaviour homosexual?

I've been trying to track down the source of a claim that research has shown giraffe exhibiting a really high rate of male homosexual relations. Going through the blog spam leads me to a site without ...
13
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3answers
4k views

Is prostitution the oldest profession?

The Oxford Dictionary describes "Prostitution" as the practice or occupation of engaging in sexual activity with someone for payment It is often referred to as "the oldest profession", e.g. ...
21
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3answers
5k views

Is oral sex (fellatio and cunnilingus) instinctive human behaviour?

This topics seem to be widely debated (on unreliable sites): As you might imagine, some of these links are NSFW (Not Safe For Work). LPSG Tantra Ecstasy What evidence is available to support that ...
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1answer
974 views

Is sadomasochism more prevalent in England than in other countries?

In an interview Keira Knightley talks about her film A Dangerous Method which features sadomasochistic scenes: I did think about turning it down because of the two scenes of a sadomasochistic ...
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806 views

Does sexual position affect the chances of conception?

I have seen the claim that some sexual positions are better for getting pregnant than others. For example this article on how to have baby-making sex claims: Be a missionary It might seem ...