Not every natural "remedy" is effective or safe, and some of the most bizarre remedies have to do with sex. Ian Tindell lists the ten strangest, ancient/outdated sex beliefs. Here's one that you should never try at home.
Putting Mercury in Your Urethra Cures Gonorrhea
The 1500s
According to some, the English ship of war, the Mary Rose, had an interesting means of combating the STD gonorrhea: injecting liquid mercury into the urethra.
As effective as this method sounds, it is not believed that the use of mercury, which is poisonous, ever cured a case of gonorrhea. Unless you count death as a cure. In that case yeah, it totally works. Read more