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 is the sex hormone that is responsible for a range of important functions, from hair growth and bone density to sperm count and libido levels. Low testosterone affects millions of men, ...

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 ...

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 ...

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 ...

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 ...

Three forms of testosterone are found in serum: sex hormone-binding globulin (SHBG)-bound (60%-70% of total), albumin-bound (20%-30% of total), and free (1%-3% of total). SHBG-bound testosterone is ...

This article was reviewed by Felix Gussone, MD. If you’ve been feeling a bit more couch potato than go-getter lately, dragging through the day, snapping at people for no reason, or wondering where ...

Analysis from the Look AHEAD trial has revealed that higher baseline testosterone levels were associated with reduced ...

Reviewed by Clifton Jackness, MD, attending physician in Endocrinology, Diabetes, and Metabolism at Lenox Hill Hospital and The Mount Sinai Medical Center in New York City Serum testosterone levels ...

It bears out past research. Studies in the past have found that high-intensity interval training can boost testosterone levels in men. New research published in the Endocrine journal broke down just ...

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 ...