Testosterone is an important hormone. It helps men develop during puberty, and as they age, it plays a critical role in helping control fat levels, cholesterol, and glucose levels. Testosterone ...

Testosterone levels are relatively low in both males and females in infancy and childhood, and they increase significantly in males around age 11. Even when it exists in low levels, testosterone has a ...

Testosterone declines gradually, and the signs are easy to overlook or misinterpret. Here’s how doctors evaluate hormone ...

Although we tend to associate testosterone with men, women produce it too, albeit at much lower levels that decline as we age. Studies consistently show that raising testosterone levels in ...

This article was reviewed by Felix Gussone, MD. Key Takeaways: In the U.S., testosterone is a controlled substance, so you’ll ...

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 ...