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 ...

Testosterone is an important hormone. It helps men develop during puberty, and as they age, it plays a critical role in helping control fat levels, cholesterol, and glucose levels. Testosterone ...

What you eat or drink may affect levels of the male sex hormone, but whether a diet can increase libido or energy depends on many things. Credit...Aileen Son for The New York Times Supported by By ...

Testosterone is a sex hormone that regulates a number of processes in the human body, including fertility, sex drive, bone mass, fat distribution, muscle mass, and red blood cell production.

Popular weight loss medications like Ozempic can help reverse low testosterone levels in men with obesity or Type 2 diabetes, according to new research. Building on previous studies that show weight ...

A handful of sexual enhancement supplements have been recalled. Here's how to find safe medication and what to know about boosting testosterone levels naturally. Jessica was a writer on the Wellness ...