A large study of more than 9,000 men has established harmonized reference ranges for total testosterone in men that when applied to assays that have been appropriately calibrated will effectively ...

Q: What's considered the right testosterone level for an adult male? A: Getting a high testosterone reading offers bragging rights for some men, and may explain in part the appeal of testosterone ...

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 ...

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 ...

Washington, DC--A large study of more than 9,000 men has established harmonized reference ranges for total testosterone in men that when applied to assays that have been appropriately calibrated will ...

Testosterone is a naturally occurring steroid hormone. Despite its status as a steroid, prescription testosterone replacement ...

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

We also know that within normal ranges, testosterone levels are not strongly predictive of aggression. In the amygdala, a ...