Brain imaging shows that testosterone therapy given as part of sex reassignment changes the brain structures and the pathway associated with speech and verbal fluency. This result supports research ...

Testosterone’s primary functions are sexual desire and function. However, low testosterone may also impact cognition, leading to symptoms like brain fog. Researchers are finding that testosterone ...

For more than 80 years, men have been told that testosterone helps prostate cancer grow. But a very different picture has emerged over the past two decades. The prostate is a small gland that sits ...

Testosterone is the major androgenic (male) hormone and one of the most common doping agents. Athletes who participate in strength and power-based sports, including bodybuilding, athletics, wrestling ...

Testosterone tests measure levels of testosterone in the blood. At-home test kits can be convenient, but they cannot diagnose underlying health conditions that cause high or low testosterone. Share on ...