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 ...