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 Love Zelda's user avatar
5 votes
Accepted

Which medical specialist should be consulted for anus polyp?

Which medical specialist should be consulted for anal polyp? A physician specialised in disorders of the colon, rectum and anus might be the person of choice. This could be a proctologist (a ...
M. Arrowsmith's user avatar
4 votes

Acidity of gut contents

Not sure if I answered this right: leaflady.org The system begins in the mouth, where the pH of saliva is 5.7 – 7.0. In the esophagus the pH is 7.0. The stomach pH is 1.5 – 3.0. In the ...
Pobrecita's user avatar
  • 2,965
4 votes
Accepted

Colorectal examinations

Various terms exist. Proctoscopy is a collective term for the examination of the anus, rectum and sigmoid colon (one or all of them). Anoscopy is the investigation of the anus (only) using an ...
Jan's user avatar
  • 15.9k
3 votes
Accepted

Can your rectum atrophy after a long time of inactivity?

The premise is incorrect. The internal anal sphincter is in a state of chronic contraction and is not under voluntary control. When defecation occurs the sphincter relaxes allowing the passage of the ...
Graham Chiu's user avatar
  • 13.3k
3 votes

What's with anal sex and HIV?

Major Edit: Corrected extremely incorrect stats The vagina, being "designed" (evolutionary speaking) for intercourse, has a lining which is reasonably good at fending off pathogens, particularly ...
Watercleave's user avatar
2 votes

Risks of unprotected anal sex versus vaginal?

Your scenario: A couple regularly practices condomless vaginal sex (with other contraception methods). What new risks would them be exposed to when engaging on condomless anal sex? You can contract ...
Chris Rogers's user avatar
  • 6,195
1 vote
Accepted

Intimate sexual activity as a possible mechanism for transferring COVID-19

The best data we have from Guangdong, China, is that household transmission is not 100% preliminary studies ongoing in Guangdong estimate the secondary attack rate in households ranges from 3-10%. ...
Graham Chiu's user avatar
  • 13.3k

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