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 ...

Ever wonder if your testosterone levels are normal? It’s actually a pretty important question, since low testosterone can cause a lot of unpleasant effects, everything from a low sex drive to muscle ...

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.

Modern life is waging a quiet war on male hormones; discover the overlooked environmental and lifestyle triggers that a top urologist says are fueling today's testosterone crisis.

NPR's Steve Inskeep speaks with FDA Commissioner Martin Makary about the decline in testosterone in men in the U.S. and what ...

That unexplained exhaustion or sudden change in your body might not be just stress or aging. Medical experts are seeing more men experiencing testosterone deficiency, often without realizing what’s ...

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 ...

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 ...

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 ...

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 ...