There are different reasons why one testicle may appear bigger than the other. If one of your testicles is slightly bigger than the other, don’t panic, this is completely normal for most men and boys.

“Our previous studies and observations, taken together, led us to hypothesize that dietary L. reuteri may act to prevent age- and obesity-related testicular atrophy in mice,” those researchers noted. ...

The human body is a machine whose many parts—from the microscopic details of our cells to our limbs, eyes, liver and brain—have been assembled in fits and starts over the 4 billion years of our ...

For the best experience, please enable JavaScript in your browser settings. A link between the size of a father's testicles and how active he is in bringing up his ...

Testosterone therapy can significantly improve energy, libido, and overall quality of life for men with low testosterone levels, but concerns about testicular shrinkage often give patients pause.

New research suggests that more careful control of body weight in childhood and adolescence could help prevent male infertility later in life. The researchers will present their findings on Saturday, ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

Max Telford does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...