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 ...

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

Testosterone is arguably one of the most essential hormones for supporting men’s health. It plays a role in supporting intimate, bone, muscle, and mental health. Testosterone levels that are higher or ...

This article was reviewed by Felix Gussone, MD. As the primary male hormone, or androgen, testosterone regulates various aspects of your growth and development as a man. Testosterone plays a central ...

The findings indicate that the average testosterone levels in men have been diminishing year over year. What's particularly troubling is that this decrease isn't solely attributed to the natural ...

NEW YORK (Reuters Health) - Older men with relatively low testosterone levels may be at greater risk of frailty than those with higher levels of the hormone, new research suggests. In a study of more ...

Certain health conditions can make it difficult for some men to have normal levels of testosterone. Low testosterone levels, also known as hypogonadism, can affect a person’s life, can cause different ...

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 ...