Human sexual activities or human sexual practices or human sexual behavior refers to the manner in which humans experience and express their sexuality.
8
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1answer
539 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 ...
12
votes
1answer
316 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 ...
11
votes
2answers
465 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 ...
1
vote
0answers
317 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” ...
15
votes
1answer
570 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 ...
12
votes
3answers
866 views
+100
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 ...
26
votes
1answer
3k 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.
Pierre ...
12
votes
1answer
2k 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 ...
5
votes
0answers
162 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 ...
7
votes
1answer
319 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 ...
0
votes
0answers
385 views
Blue balls a disease or not? [closed]
When doing excessive masturbation(no ejaculation) something like 2-3 hours I have seen some persons experiencing excessive pain in the balls and the veins around it , when I searched the internet it ...
10
votes
0answers
435 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 ...
8
votes
1answer
672 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 ...
18
votes
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 ...
20
votes
1answer
4k 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 ...
5
votes
1answer
1k 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, ...
22
votes
1answer
10k 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 ...
17
votes
2answers
2k 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 ...
3
votes
0answers
222 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 ...
12
votes
2answers
4k 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 ...
10
votes
3answers
3k 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.
...
18
votes
3answers
2k 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 ...
3
votes
1answer
490 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 ...
8
votes
0answers
573 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 ...
15
votes
2answers
555 views
Have 98% of Catholic women used birth control?
An NPR article on the debate about contraceptive coverage makes the following claim:
In fact, 98 percent of Catholic women use birth control at some point in their lifetimes.
Is this claim true?
...
13
votes
1answer
534 views
Does abstinence-only sex education reduce the frequency of teenage sex or the rate of teenage pregnancy?
Many people in the USA and the UK are still advocating abstinence-only sex education that avoids giving advice to schoolchildren about topics such as contraception.
The advocates of the abstinence ...
9
votes
2answers
3k views
Was Sir Isaac Newton a homosexual?
The following was QI Fact of the Day on 10th November 2011:
Sir Isaac Newton was a cold, austere and difficult man. The slightest criticism of his work drove him into a furious rage, and his life ...
8
votes
0answers
535 views
Is eroto-comatose lucidity a state only achievable via sexual means?
Some "sex magic" practitioners assert that it is possible to achieve a higher state of consciousness, "eroto-comatose lucidity", through basically making one fall asleep through too much sex.
...
20
votes
1answer
13k views
Was wearing trousers very low (sagging) invented in prison to show sexual availability?
I have seen several times people posting on Facebook about the history of wearing very low trousers.
They claim that it was invented in U.S prisons. Apparently by showing a little bit of their butts ...
1
vote
0answers
190 views
Is homosexuality genetic or can it be unlearned in one of those (christian) camps [duplicate]
Possible Duplicate:
Is homosexuality innate?
I suppose I was trying to be tad too PC earlier. I've seen quite a few anti-gay person saying that homosexuality is something that is learned ...
10
votes
1answer
762 views
Are between 20-50% of Catholic priests homosexual?
In Penn & Teller's Bullshit, Season 7, there is an episode about the Vatican. I just watched it via this post on the blog, Arizona Atheist.
In it, around the 8m:10s mark, a statement is made that ...
16
votes
1answer
548 views
Are 99% of sperm 'kamikaze', as described by Robin Baker?
From the book Sperm Wars, by Robin Baker:
Very few (less than 1 per cent) of the sperm in a human ejaculate are the elite, fertile 'egg-getters'. The remainder are infertile 'kamikaze' sperm whose ...
7
votes
0answers
2k views
Does one shake hands with 6 men/11 women per year who have recently masturbated and not washed their hands?
I've received this email before, and tracked down a requote online:
Annually you will shake hands with 11 women who have recently masturbated and failed to wash their hands.
Annually you will ...
14
votes
1answer
460 views
Do 50% of self reported homosexual teens no longer self report as homosexual by their twenties?
A claim I heard last night from a "chastity expert" was that about 50% of teens who self reported as homosexual ceased self reporting as homosexual sometime in their twenties.
Standing and saying ...
14
votes
2answers
2k views
Are men “wired differently” so that they “can't control themselves”?
It seems like such an obviously false claim, but I keep running into the claim that men are "Wired differently" than women and therefore can't control their lust.
The claim in conversation was ...
1
vote
0answers
115 views
Does a child need a father and a mother? [duplicate]
Possible Duplicate:
Is there any scientific evidence regarding measurable adverse effects (if any) of child rearing by homosexual human couples?
Every time someone brings up same sex ...
23
votes
1answer
2k views
Is 10% of the world's population homosexual?
Graphic artist, Toby Ng, asserts that 10% of the world is homosexual in his work "The World of 100". I can't see where he claims this data to be from. This seems high to me and low to my ...
28
votes
1answer
44k views
Do pigs have 30 minute orgasms?
A widely circulated internet meme (see e.g. the oatmeal) states that pig orgasms can last up to 30 minutes.
I've been trying to find any source or reference to back up (or refute) this claim, but ...
16
votes
1answer
2k views
Do the Salvation Army policies discriminate against homosexuals?
I have seen several articles and read several blogs stating that the Salvation Army is "homophobic", and that they actively discriminate against gay and lesbian people:
The Salvation Army does not ...
6
votes
1answer
2k views
Is Sandro Del-Prete's “Message d'Amour des Dauphins” a pervert test?
You may have seen this image on the web or in an email with the following description:
Scientific research showed that children can’t recognise erotic scenes. Instead they see 9 dolphins. On the ...
10
votes
1answer
1k views
Are there examples of exclusive homosexuality in non-human animals?
I have often heard the claim that homosexuality exists in non-human animals. Sheep and dolphins seem to be common examples. I find it easy to believe that homosexual activity exists - some animals ...
13
votes
3answers
1k views
Cohabiting couples more likely to divorce?
v0.2 of myself was Catholic; subsequent revisions have removed this feature from my code base. In any case, I went through Catholic marriage prep, and was married in the Catholic Church. At the ...
10
votes
2answers
3k views
Did Catherine the Great die of injuries from a horse?
Perhaps I have been reading the wrong kind of scurrilous literature, but I have seen it asserted that the Empress Catherine the Great of Russia died from injuries received by committing unnatural acts ...
12
votes
3answers
648 views
Was the opposition of the Catholic Church to contraception based on the Homunculi theory?
I have heard said that the opposition of the church to any form of contraception - or any attempt to prevent conception (pulling out, oral sex, etc.) while still performing coitus - was originally ...
21
votes
2answers
1k views
Do human pheromones exist?
Do humans secrete chemicals that attract the opposite sex? Some cheesy advertisements in magazines would make one believe pheromones exist. When's the last time you said "that girl/guy is butt ugly", ...
11
votes
1answer
3k views
Correlation between ring finger length and sexual preference
Is there any truth to the claim that people who have ring fingers that are longer than their index fingers are attracted to the opposite sex?
In other words, in the picture below, the hand on the ...
9
votes
2answers
411 views
Cause of Catholic clergy sexual abuse is the attitude of the 60's and 70's
Is there corroborating evidence to support the arguments put forward in a recent study by the U.S. Conference of Bishops that
neither celibacy nor homosexuality can be blamed for the clerical ...
13
votes
3answers
3k views
Is asexuality real?
I read here about human asexuality, and I cannot figure out if it's real or if people are just making stuff up. Have studies been done about this phenomenon and what explains it?
24
votes
3answers
2k views
Is it possible to reliably examine if a girl is a virgin?
Amnesty International wants the Egyptian military to stop the practice of rounding up all the female protesters to investigate if their hymens are unbroken as a virginity check:
An Amnesty ...
7
votes
1answer
4k views
Does celery have an effect on male sexual performance?
There's a popular belief that celery increases male sexual performance (some claim that it influences penis size, others that it increases semen count, or that it helps men maintain an erection for a ...
