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

DUBLIN — Measuring free testosterone together with total testosterone may provide a more accurate picture than measuring total-testosterone levels alone when it comes to diagnosing deficiency of this ...

New research finds that more men have suboptimal testosterone levels than previously known, and it may be putting these men at risk. A male's total testosterone level may be linked to more than just ...

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 ...

When testing for testosterone, your provider may measure total testosterone, free testosterone, or both. Total testosterone includes both bound and unbound hormone, while free testosterone reflects ...

New multicentre data show that serum testosterone levels and testicular histology help predict sperm retrieval success in ...

Please provide your email address to receive an email when new articles are posted on . Older men with worse sleep quality and irregular sleep duration have a higher frailty index score. Mean total ...

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

ANN ARBOR, Mich. - A male's total testosterone level may be linked to more than just sexual health and muscle mass preservation, a new study finds. Low amounts of the hormone could also be associated ...