Most men notice that their scrotum, the sack of skin that holds the testicles, starts to sag as they get older. This process might start as early as your teenage years. Saggy testicles are a natural ...

Testicular retraction is a condition in which a testicle descends normally into the scrotum, but can be pulled up with an involuntary muscle contraction into the groin. This condition is different ...

A simple breakdown of the cremaster reflex, why it happens, and the role it plays in the body’s protection mechanisms. Remember the torture memos? The boat strike memos may be worse. 'Taylor Swift is ...