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 ...

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 ...

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 ...

Modern life is waging a quiet war on male hormones; discover the overlooked environmental and lifestyle triggers that a top urologist says are fueling today's testosterone crisis.

NEW YORK (Reuters Health) - A new oral testosterone undecanoate formulation can restore testosterone concentrations to normal in hypogonadal men, researchers report. "Effective as other testosterone ...

Certain health conditions can make it difficult for some men to have normal levels of testosterone. Low testosterone levels, also known as hypogonadism, can affect a person’s life, can cause different ...

With the prevalent use of opioids in the treatment of acute and chronic pain, the effect on the hypothalamus is often overlooked. Fatigue, low libido and decline in mental function are frequently ...

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