testicles

If you don't believe it, you can ask your best friend to be a model to test.

In every second, the man's genitalia can 'produce' 1,500 sperm.

The latest research shows that up to 1/5 of the young men in the world own the amount

Men with large testicles have a higher risk of developing cardiovascular disease, according to research by scientists at the University of Florence (Italy).

Sauna may reduce the number of sperm in men is one of the secrets that has just been published in a report in the United States.