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 ...

When hormone levels drop to lower-than-normal ranges, you may experience a number of effects, including fatigue, performance issues, and more. But what’s considered “normal” when it comes to ...

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 is the primary androgen — or male hormone — in your body. Low testosterone affects up to 39 percent of adult men in the US over the age of 45, and becomes increasingly prevalent as men ...

That unexplained exhaustion or sudden change in your body might not be just stress or aging. Medical experts are seeing more men experiencing testosterone deficiency, often without realizing what’s ...

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 ...

Testosterone appears protective against developing type 2 diabetes in men who are overweight or obese and under age 65, but not in men over that age, according to a study presented Saturday at ENDO ...

Testosterone is an important hormone. It helps men develop during puberty, and as they age, it plays a critical role in helping control fat levels, cholesterol, and glucose levels. Testosterone ...