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 ...

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 ...

Testosterone declines gradually, and the signs are easy to overlook or misinterpret. Here’s how doctors evaluate hormone levels and what to consider before pursuing therapy.

The guys in your local gym have been peddling it for years as essential for muscle growth. But in the past two decades, prescriptions for testosterone therapy (sometimes called TRT) have doubled. And ...

Though testosterone often gets a bad rap because aggressive or misbehaving men are sometimes labeled as "testosterone fueled," the hormone actually isn't unique to one type of person or gender and ...

Low testosterone can cause fatigue, low libido, mood changes, muscle loss, and bone weakness.

Whether you’ve searched the internet far and wide for the best TRT clinics, can’t seem to escape posts about ‘Low T’ on ...