A team of researchers with opposing views joined forces to run a large testosterone experiment. Their results challenged ...

Historically, testosterone has been associated with masculinity. Someone having high levels of testosterone was shorthand for perceived higher levels of aggression, strength, and libido. However, ...

Testosterone replacement therapy (TRT) is used for low levels of testosterone. Discover the potential benefits and side ...

Higher testosterone levels during adolescence are associated with increased involvement of the brain's anterior prefrontal cortex (aPFC) in emotion control, but the opposite effect occurs during ...

More coffee was linked to higher total testosterone in men, but the same study found lower free testosterone, revealing a ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Ryan Knutson: Like a lot of men, my colleague Rolfe Winkler and I get bombarded ...

If coffee is part of your daily routine, a new study suggests your morning cup may be associated with more than just helping ...

T” military, medical experts say testosterone therapy requires careful diagnosis and monitoring — not a masculinity mandate.

U.S. Defense Secretary Pete Hegseth says the screenings will boost the military’s readiness and resilience, but doctors express caution.

This energy-amplifying beverage was also associated with leaner body composition and "metabolically relevant" hormone levels.

A preexisting genetic condition may have made the man more susceptible to the rare side effect, according to his doctors.