Total testosterone measures the full amount of the hormone in your blood, while free testosterone represents the small, ...

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 ...

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 ...

The standard cutoff point for low testosterone levels may not be accurate for men in their mid-forties and younger, reports a study in The Journal of Urology ®, an Official Journal of the American ...

Starting around age 40, many men notice the first physical changes that may be related to their hormone levels: Energy wanes ...

Understanding Testosterone Replacement Therapy and Its Alternatives Clearwater, United States – January 5, 2026 / The ...

Genetics play a role in low testosterone for some men, but underlying causes vary widely. Many genes influence testosterone ...

For those who need it—men who have low levels of testosterone with symptoms such as low energy, a low libido, and depression, ...

Testosterone is a pivotal hormone in male development and for masculine characteristics. It's essential for sex drive, muscle growth and strength, and bone density. According to Madison Reeder, ...

Regular readers of my column know that I have been very bullish on intermittent fasting, and I regularly receive notes from others who have tried intermittent fasting and benefited greatly. Here is a ...