It’s not uncommon for middle-aged men to experience a decrease in libido or sexual performance. For decades, men were told to blame aging or maybe low testosterone. But new research suggests the real ...

Testosterone slowly declines with age. The good news is that urologists know what men can do to keep it from getting too low.

Testosterone remains an important hormone for men's health, but it is not the sole determinant of energy, strength, or ...

While a plummeting hormone level can trigger depression and irritability, experts say a modest decline can make men more ...