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Questions tagged [sexuality]

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Is “random arousal” in humans still caused by/connected to “background” sex drive?

I’m not sure if the title is the best way to word the concept but I don’t know how else to put it briefly; though honestly this question itself might be a bit hard for me to communicate concisely in ...
pastina's user avatar
1 vote
2 answers
279 views

What is the latest consensus on the causes of sexuality?

In 2019, scientists concluded that there is no gay gene. Epigentic markers of homosexuality have been disproven. The Exotic becomes Erotic Theory is an ancient decrepit idea that holds no water. Yet, ...
Aaron's user avatar
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-4 votes
1 answer
260 views

Why do humans have sex for recreational purposes? [closed]

It never made sense to me why human beings crave sex other than for reproducing. It controls our society. It causes heartache, jealousy, anger, low self-esteem etc. Sometimes humans will have sex ...
Max's user avatar
  • 1
0 votes
1 answer
331 views

If sexuality is genetic, how did asexuality evolve?

If sexuality is genetic, then it stands to reason that evolution would strongly favor people who have children. In other words, heterosexuality & bisexuality should be favored, while homosexuality ...
Allure's user avatar
  • 547
1 vote
0 answers
29 views

What proof do we have that visual attraction to other humans is a natural biological trait?

There's another question answered that relates to this, but the sources don't show enough evidence of how it is a natural biological trait that we're born with. Even though there's evidence that ...
user59873's user avatar
2 votes
1 answer
379 views

Is sexual desire stronger in men than women?

Usually in popular culture it's considered men sexual desire is stronger than women. This seems to be congruent with the availability of sexual related items for men and women, such as magazines, ...
Pablo's user avatar
  • 2,891
2 votes
0 answers
545 views

What is the evolutionary advantage of getting hard nipples when being aroused? Why can they even be stimulated sexually?

I try to understand the evolutionary advantages of the body reactions of nipples and penises/vaginas. I'm confused, because I can explain the evolutionary advantage in a logical & consistent way ...
uuu's user avatar
  • 169
5 votes
0 answers
922 views

Can any animal ejaculate at will without physical contact?

Note: In this question, I'm asking about animals that have a penis that functions very similarly to humans. I've read some animals have dramatically different methods of copulation and physiologies, ...
Thom Blair III's user avatar
1 vote
1 answer
121 views

book on human sexuality evolution

i am interested in Lynn Margulis' book Mystery Dance: On the Evolution of Human Sexuality. i don't find it in libraries and it's too old and i am too poor for paying 20 euros for a 1991 book. Does ...
Tecus MoroXXX's user avatar
2 votes
1 answer
28k views

Ejaculation without orgasm: is this possible to do it at will without external stimulation?

I know that ejaculation without orgasm is possible for human males with external stimulations, e.g. prostate massage. My question is, can a human male perform full ejaculation without reaching orgasm ...
user35459's user avatar
0 votes
2 answers
195 views

What are the distinct neurochemical components of sexual pleasure?

Sexual activity is usually described as pleasurable. What neurochemical systems does sex activate? Does the presence or absence of a partner make a difference -- say, in the activation of the ...
DJG's user avatar
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7 votes
2 answers
1k views

Are humans the only mammals that are known to display homosexuality?

REQUEST: In this post I do not refer to, nor do I encourage reference to, any ethical/moral/emotional aspects of homosexuality. So please don't start an pro/anti- LGBT campaign in the comments section....
paracetamol's user avatar
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4 votes
0 answers
73 views

How Can Homosexuality be Genetic? [duplicate]

I hold no strong opinions towards homosexuality one way or the other; I'll personally refrain, but don't apply my personal tastes to the rest of the world. I remember seeing some articles a while ...
Tobi Alafin's user avatar
2 votes
0 answers
446 views

Where does new blood comes from when penis get erected? [duplicate]

In Humans, During sexual arousal in males, his penis will get erected with blood. Where does this new blood coming to fill his penis which is required for erection ?
V_NHJ's user avatar
  • 21
3 votes
1 answer
866 views

Do bisexuals have any evolutionary advantage over straights and gays? [duplicate]

Do bisexuals have any evolutionary advantage over straights and gays? Bonobos exhibit bisexuality extensively. Why so?
akm's user avatar
  • 501
7 votes
2 answers
298 views

Is human "sperm warfare" a concept supported by biology?

I've recently read the "Sperm wars" book by Robert Baker. It deals with human sexuality and infidelity. The main premise of the book is that human male has different kinds of sperm: Regular sperm ...
Alex Stone's user avatar
  • 6,515
4 votes
1 answer
2k views

why a testosterone pill can't be effective?

Why estrogen, progesterone etc. in the contraceptive pills survive the acid environment of the stomach and all the digestive enzymes, while testosterone needs to be injected or spread with a gel on ...
blu potatos's user avatar
2 votes
0 answers
107 views

Does increased calorie intake cause increase in libido in humans?

I'm interested in the effect of increased calorie intake on sex hormones and chosen mating strategy in humans. I'm aware that humans have a dual mating strategy - somewhere between pair bond and ...
Alex Stone's user avatar
  • 6,515
-4 votes
1 answer
3k views

How does visual sexual arousal work between the eyes, brain, and genitals/gonads? [closed]

When many people look at sexual images, they often can become sexually aroused, including full genital arousal, and feel urges, known more often used as "horny" as slang/urban usage. How does this ...
user avatar
2 votes
0 answers
698 views

Common properties of herbs in creating anaphrodisiac effect?

Recently came across Wiki article about anaphrodisiac herbs and other products. An anaphrodisiac (also antaphrodisiac or antiaphrodisiac) is something that quells or blunts the libido. It is the ...
Jayachandran's user avatar
  • 1,894
4 votes
1 answer
11k views

Are transgender people born physically different from others?

Are all children born with only either male or female body parts (other than exceptions), or is there actually a natural third gender with the physical characteristics of both genders, e.g. the child ...
LifeH2O's user avatar
  • 175