The US Food and Drug Administration (FDA) is asking makers of testosterone replacement therapy (TRT) products to consider ...

Annalisa (Nalis) Merelli is a contributing writer at STAT focused on boys’ and men’s health. The first thing Abraham Morgentaler learned about testosterone is that it’s a brain hormone. It was in a ...

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 ...

Members of an FDA expert panel urged the agency to expand labeling for testosterone replacement therapy and remove its classification as a controlled substance. Like previous FDA expert panels, the ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Contrary to popular belief, having higher levels of testosterone doesn't necessarily make men have a higher libido.

Testosterone levels peak for males during puberty and decline with age in all genders. With low testosterone in males, you can have a decreased sex drive, trouble with erections, and low sperm count.