Prevention in Focus

Fall 2010 

Fast facts–Sex

During the female orgasm, endorphins – the body’s natural painkillers – are released. So headaches are in fact a bad excuse to not have sex.1

Semen contains zinc and calcium, both of which are proven to prevent tooth decay.2

In Canada, between 1999 and 2008, reported rates and cases of:

  • chlamydia increased by 80%
  • gonorrhea increased by 117%
  • infectious syphilis increased by 600%.3

It is estimated that up to 75% of Canadians will have at least one human papillomavirus (HPV) infection in their lifetime.4

The average number of times a man will ejaculate in his lifetime is 7,200. Of these, 2,000 are from masturbation.5

Having an STI increases a person’s susceptibility to HIV:

  • genital herpes makes a person about 3.4 times more susceptible to HIV6

  • gonorrhea makes a person about 2.1 times more susceptible to HIV7
  • chlamydia makes a person about 2.2 times more susceptible to HIV7
  • syphilis makes a person about 2.5 times more susceptible to HIV7 

Being co-infected with HIV and an STI may increase a person’s viral load in the genital and/or anal fluids which may affect the risk of passing HIV to sexual partner(s).8

An estimated 10.4 billion male condoms were used worldwide in 2005.9