Low testosterone (medically known as male hypogonadism and colloquially called low T) is a relatively common men’s health issue, particularly among older men. On average, testosterone levels tend to ...

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 ...

Now, he’s proving that true longevity requires balancing clinical data with daily discipline.

Matt Kaeberlein, a longevity researcher and CEO of Optispan, had symptoms of low testosterone. He got his levels tested in his 50s and gradually began testosterone replacement therapy (TRT). He said ...

Since middle age, many individuals experience a decline in sexual desire, which often correlates with a decrease in their overall zest for life, hopes, and dreams. The enthusiasm for travel, adventure ...

If any of these patterns have become a regular part of your life, it might be time to get your hormone levels checked. Testosterone affects muscle growth, energy, mood, and mental focus in men. Low ...

Testosterone plays a smaller role in well-being than assumed, with modest effects on muscle and sexual health, while fatigue ...

Genetics play a role in low testosterone for some men, but underlying causes vary widely. Many genes influence testosterone production and sensitivity to testosterone. Genetics are responsible for ...