Total testosterone measures the full amount of the hormone in your blood, while free testosterone represents the small, ...

What are normal testosterone levels by age? An older photographer mentors a younger one. Testosterone is an important hormone. It helps men develop during puberty, and as they age, it plays a critical ...

This article was reviewed by Lynn Marie Morski, MD, JD. Key Takeaways: Ozempic may help improve testosterone levels in people ...

Testosterone plays a crucial role in men’s health, influencing everything from energy levels and mood to muscle mass, bone density, and sexual function. Understanding the causes, symptoms, and ...

Dr. Jamin Brahmbhatt is a urologist and robotic surgeon with Orlando Health and an assistant professor at the University of Central Florida’s College of Medicine. You’re feeling unusually tired and ...

Genetics play a role in low testosterone for some men, but underlying causes vary widely. Many genes influence testosterone ...