Many studies over the last couple decades have shown that receptive anal sex can be very dangerous.

In North America and most of the world, men who have sex with men (MSM), AKA gay and bisexual men (GBM) continue to have disproportionately higher mental health problems, suicide, immune suppression, HIV, sexually transmitted diseases, fungal infections, and God forbid, fecal incontinence than any other group.

Depression has been associated with an approximately 10-fold increase in condomless anal sex (Reisner et al., 2009). A recent study showed that men who had receptive anal sex with men reported the highest prevalence of anxiety and depression (31.32% and 46.15%).

Several studies have shown that having someone else’s penis inserted into your anus and having semen deposited there will cause long-term ill effects on your mental and physical health that may be irreversible. Especially if you continue to have rectal infusions of another man’s semen – AKA DNA.

When semen enters your anus, it travels into the gastrointestinal tract where it is absorbed by your body through the membrane (lining) of the epididymis.

A lot of people who choose to have anal sex do not understand that the skin lining of the anus is thinner than the vagina, which allows it to become much more vulnerable to tearing and can allow old semen, fungi, viruses and bacteria to enter the bloodstream.

Also, please remember that your anus AKA colon is connected to your second brain, i.e., your gastrointestinal tract (gi tract), and that semen is made of DNA and other biological compounds. My theory is that if you allow another man’s semen (DNA) into your rectum, their DNA will alter your own DNA and it can cause mental and physical health problems.

The prevalence of anxiety and depression in an MSM population in Canada [12] and the United States [13] ranged from 26.4% to 44% and 39.3% to 80%, respectively, and in China [14,15,16], these figures were about 21.25% to 24.0% and 33.2% to 45.4%,

The researchers concluded “that mental health in MSM could not be ignored.”

Many studies have shown that men who have sex with men are at higher risk of experiencing mental health issues such as depression, anxiety, and antisocial when compared to the general public and multiple mental health problems can co-occur creating a “psychosocial syndemic”.

The psychosocial syndemics theory is centered around how traumatic experiences drive multiple psychosocial epidemics such as violence, depression, and substance abuse with elevated sexual risk-taking and HIV infection – occurring at a greater rate in marginalized populations (Singer & Clair, 2003).

One study of 3,934 men who have sex with men across 151 countries found a significant relationship between the number of syndemic conditions (e.g. depression, substance use, violence, sexual stigma, homelessness) and unprotected anal intercourse. Men who have sex with men who reported three or more syndemic factors were twice as likely to engage in unprotected anal intercourse than men who reported none.

In China, men who have sex with men (MSM) have become the most important high-risk group for new HIV infection.  A UN report pointed out that MSM were 19 times more likely to be infected with HIV than the general population, and were found to be three times more likely to suffer from mental disorders, such as anxiety and depression, than heterosexuals.


A 2016 study found authors found that receiving anal sex results in a 34 percent increased risk of fecal incontinence in women, and a 119 percent increased risk of fecal incontinence in men.

Bowel incontinence is an inability to control bowel movements and is also known as fecal incontinence.

Some people feel a sudden need to go to the toilet but are unable to reach a toilet in time.

Another big problem with anal sex is sexually transmitted diseases.

Unprotected anal intercourse is a well-described risk factor for HIV and sexually transmitted diseases (STDs) among men who have sex with men,

People can develop or transmit an anal yeast infection if they have anal sex with a partner who has an anal yeast infection without using a condom or another barrier contraceptive. A yeast infection anywhere on your skin is called candidiasis.

Candidiasis is a fungal infection caused by a yeast called Candida.

Candida also breaks down the walls of your anus and intestine, which can lead to leaky anus and leaky gut to allow the Candida to penetrate the bloodstream along with its toxic byproducts.

This can lead to many different symptoms and mental health issues including: Irritability, moodiness, anxiety, depression, bipolar disorder and schizophrenia.

A John Hopkins 2016 study In a study found that a history of Candida yeast infections was more common in a group of men with schizophrenia or bipolar disorder than in those without these disorders.

Another study with 808 participants discovered that men with schizophrenia or bipolar disorder were noticeably more likely to have a candida infection than men without these mental health issues. 


Meyer IH. Prejudice, social stress, and mental health in lesbian, gay, and bisexual populations: Conceptual issues and research evidence. Psychological Bulletin 2003;129(5):674-97.

Sexual compulsivity, co-occurring psychosocial health problems, and HIV risk among gay and bisexual men: Further evidence of a syndemic.

Diversity of Psychosocial Syndemic Indicators and Associations with Sexual Behavior with Male and Female Partners Among Early Adolescent Sexual Minority Males

Santos GM, Do T, Beck J, Makofane K, Arreola S, Pyun T et al. Syndemic conditions associated with increased HIV risk in a global sample of men who have sex with men. Sexually Transmitted Infections 2014;90(3):250-3.

Sanchez T, Finlayson T, Drake A, et al. Human immunodeficiency virus (HIV) risk, prevention, and testing behaviors—United States, National HIV Behavioral Surveillance System: men who have sex with men, November 2003-April 2005.

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