When it comes to understanding testosterone levels, traditional testing reports one number: total testosterone. But there's more to the story, especially for men who may be experiencing symptoms of ...

Total testosterone measures the full amount of the hormone in your blood, while free testosterone represents the small, active portion your body can actually use to support muscle growth, energy, mood ...

Testosterone replacement therapy is booming, but new research suggests that for men with obesity-related low testosterone, ...

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 ...

Data highlight "quite a discrepancy in testosterone prescribing practice," researcher says ...

Both hypogonadism and erectile dysfunction (ED) are common conditions in aging males. According to the data in the Massachusetts Male Aging Study (MMAS), 52% of the men aged from 40 to 70 presented ...

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 ...

Four hundred and seventy-four black and 695 white men, aged 24–31 years at the time of the first hormone measurement. The Coronary Artery Risk Development in Young Adults (CARDIA) Male Hormone Study ...

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 ...