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 ...

Imagine waking up one day and learning you’ll have to live with just one testicle. Whether due to an accident, illness, or surgery. For many men, this brings a wave of anxiety: Will I still be ‘man ...

Testosterone levels peak during male puberty and decline with age in both males and females. With low testosterone in males, you can have a decreased sex drive, trouble with erections, and low sperm ...

Whenever one experiences growth hormones, peptide hormones, thyroid hormones, stress hormones or sex hormones, the body's chemical messengers play a key role in many essential bodily functions and ...

But American men are T-maxxing anyway.

Testosterone declines gradually, and the signs are easy to overlook or misinterpret. Here’s how doctors evaluate hormone ...

Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

Annalisa (Nalis) Merelli is a contributing writer at STAT focused on boys’ and men’s health. Increased physical stamina. “Facility of intellectual labour.” A longer jet of urine. These were some of ...