If any of these patterns have become a regular part of your life, it might be time to get your hormone levels checked.

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 ...

For many guys, having low energy isn’t simply a result of a rough night of sleep or a demanding workweek—it might be low testosterone levels at play. Testosterone is an androgen (or male hormone) that ...

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 ...

Do men with diabetes have healthy sperm Two doctors from related fields break down how high blood sugar impacts sperm count ...