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27 votes
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How many times a week is masturbating good for health?

Let's get a few things out of the way... Sex is normal (1). Sexual desire and arousal are normal (2). Asexuality is normal (3). Masturbation is normal (4),(5). There is no problem whatsoever with ...
Narusan's user avatar
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9 votes
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What influences vaginal odor?

This is an interesting question, which comes frequently on Health SE. First, here a small background on vaginal secretions: More than 30 compounds have been described in the vaginal secretions. ...
M. Arrowsmith's user avatar
9 votes

How much body fluid required to actually transmit a sexually transmitted disease (STD)?

To get even close to how much bacteria there are in vaginal discharge and penile discharge, we look at how are they diagnosed/detected laboratory wise. Gonorrhea is caused by Neisseria gonorrhea a ...
kit's user avatar
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8 votes
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Vibrator side effects

The literature regarding the use of sex toys in women is sparse. I have found two studies, which describe potential side effects related to the use of sex toys in women: Transmission of sexual ...
Felipe's user avatar
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8 votes
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Is biking linked to erection- or fertility problems?

A decade ago, a study (1) reviewed the evidence regarding the effect of cycling on impotence (due for example to pudendal nerve entrapment) and the effect of repeated scrotal temperature on ...
M. Arrowsmith's user avatar
8 votes

How many times a week is masturbating good for health?

Since you have not been rendered blind, you can follow this link which states that it is not intrinsically unhealthy unless it starts to interfere with the way you function socially or at work. In ...
Graham Chiu's user avatar
  • 13.3k
8 votes

How to get rid of erectile dysfunction?

Before going directly into the topic, firstly, it is necessary to comprehend the mechanism of erection, because small fault due to different factors in the mechanism gives rise to its dysfunction. ...
CCR's user avatar
  • 735
7 votes
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Risks of having an unwanted child - worrying as a man

She had two periods afterwards so she is not pregnant. Who are you to demand that she take a test? You pretty much called her a liar when you did that. If you can't or won't accept her at her word ...
Carey Gregory's user avatar
  • 9,913
6 votes

What is the life expectancy of a sperm in dried semen?

There's no need to worry. Getting pregnant isn't that easy.1 It's unlikely that sperm survive for 2 hours. On a dry surface, such as clothing or bedding, sperm are dead by the time the semen has ...
Narusan's user avatar
  • 6,921
6 votes

Having sex with someone who's had many sexual partners,

This is a very good and important question, not only for you but for other people as well. As people have said in the comments, YES it can be potentially dangerous to have unprotected sexual ...
Tami's user avatar
  • 466
6 votes
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Is ShockWave Therapy Useful For ED or not?

The results of our studies, which also included a double-blind randomized control trial, confirm that LI-ESWT generates a significant clinical improvement of erectile function and a significant ...
kit's user avatar
  • 828
6 votes
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Are contraception effectiveness percentages per-user or per-use?

Neither. The percentages given are the percentage of couples using that method who will conceive over a year. So if 100 people use that 98% method, 2 will get pregnant each year. Here is a page ...
Kate Gregory's user avatar
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6 votes
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Which is the average infection rate of STDs via oral sex?

Probably the best evidence around this is for HIV, which is neatly summarised in table 2 of the BASHH (British Association for Sexual Health and HIV) guidelines, where the risk for insertive or ...
Michael's user avatar
  • 759
5 votes

Is amyl nitrite used for sex?

Amyl Nitrite Treats and prevents chest pain (angina pectoris). And more pertinent for the question: On the street, this medicine and others like it are sometimes called "poppers." They have ...
Pobrecita's user avatar
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5 votes
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How does HIV infect people?

You can only get HIV from someone or something already infected. This includes humans, needles, breast milk, etc. HIV virus must come in contact with a damaged or open tissue. CDC.gov You can get ...
Pobrecita's user avatar
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5 votes
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Anorgasmia with SSRI and SNRI prescriptions

First of all, anorgasmia can be either a primary effect caused by depression itself, along with decreased libido. But then it may also be a side-effect of the medication itself, adding to the ...
LаngLаngС's user avatar
  • 6,908
5 votes

Lack of sex drive

See a doctor. Low libido (the medical term for sex drive) can have medical causes. Two examples among many potential causes are low testosterone or depression. Also Sex therapy (a type of couples ...
DoctorWhom's user avatar
  • 5,814
5 votes

What's with anal sex and HIV?

Yes, anal sex is the most risky method of sex with the highest possible chances for HIV infection. This is clearly said in the official Centers for Disease Control and Prevention website: Anal sex ...
Shadow Wizard's user avatar
5 votes
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Are there reasons why fertility awareness methods of family planning are not widely promoted?

Fertility awareness methods are slightly different from the others in that they require you to have self control and not have sex when you might otherwise want. Many people don't like to do this. In ...
argentum2f's user avatar
5 votes

How can someone that is HIV positive not be contagious?

Your back-of-the-envelope calculations seem to be off in estimating the extent of viral load reduction in a treated versus untreated person as well as the risk of transmission for unprotected, ...
Bryan Krause's user avatar
  • 14.1k
4 votes

Can low libido be a side-effect of schizoprenia medications?

Yes they can. Co-occurring conditions like depression may also contribute to low libido. This is a good article that discusses the details. The mechanisms by which antipsychotic drugs may cause ...
DoctorWhom's user avatar
  • 5,814
4 votes
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Why is HIV singled out from other STIs?

This is a good question, and although as you correctly state that HIV is an STI (see STI vs STD vs Sexually Transmitted Virus?) there is a difference with HIV which is one reason why it may be ...
Chris Rogers's user avatar
  • 6,215
4 votes

Why is HIV singled out from other STIs?

Question: If HIV is an STI, then why is HIV often listed separately, for example: HIV & Sexually Transmitted Infections Fact sheet STDs and HIV – CDC Fact Sheet What You Need To Know About the ...
Jan's user avatar
  • 15.9k
4 votes

At what point would blood loss impede the ability to achieve an erection?

Erections aren't binary, they have a gradient of turgidity; but going by your statement "completely impossible," then I will assume that for your novel you want to understand what would prevent any ...
DoctorWhom's user avatar
  • 5,814
4 votes

Why do age-related DNA transcription errors not manifest in children as readily as their parents?

Older paternal (and maternal) age in fact is associated with some increase in disease, though at fairly low rates. Cancer is largely a disease of probability. One does not need to have mutations in ...
Bryan Krause's user avatar
  • 14.1k
4 votes
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What's the equivalent of “premature ejaculation” medical condition in female sexual health?

It is always hard to prove a negative, but I don't think such a condition exists. Premature Female Orgasm appears to be the term you are looking for, and apparently there has been a patent filed by ...
Narusan's user avatar
  • 6,921
4 votes
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Is sexual desire after a vasectomy diminished?

There has been surprisingly little research on the topic, and as might be expected given the lack if new data, recent studies have not supported a general libido lowering effect of vasectomy. A study ...
DrRadium's user avatar
  • 226
4 votes
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Do emperical data on genital forces/pressures produced during arousal and sexual activity exist somewhere?

I think this may be what you're looking for on the woman's side. Vaginal tactile imaging (VTI) allows for acquisition of bilateral pressure patterns along the entire length of the vagina. [...] Data ...
against very long user names's user avatar
4 votes
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Is there any statistical overlap between people who identify as non-cis and people who have an unusual number of sex chromosomes?

Fernández and colleagues appear to have addressed your question (2018. PMID 29892954): To investigate the possible influence of karyotype on the etiology of Gender Dysphoria we carried out the ...
Ian Campbell's user avatar
  • 3,256
3 votes

Maximum time for symptoms of pregnancy to show up?

9 months / 40 weeks. Multiple stories have been printed over the years of women who discovered they were pregnant only while delivering a baby. Typically these women are overweight and have irregular ...
Kate Gregory's user avatar
  • 3,919

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