(kali9/E+/Getty Images) Aging may not impact your testosterone levels as much as you might think. From the age of about 35, ...

A bacterium in the human urinary tract can convert a steroid made by the body into testosterone using two newly identified ...

Save 20% on Transparent Labs Vitality with promo code USATODAY. Learn about its ingredients, potential wellness benefits and ...

U.S. Defense Secretary Pete Hegseth, who has promoted the use of testosterone, announced the screening mandate in July, ...

The U.S. Defense Department has temporarily rescinded its newly announced mandatory testosterone screening guidance for ...

The unexplained reversal leaves the defense secretary’s hormone screening mandate in place but its clinical rules in limbo.

The US has temporarily rescinded clinical guidance on implementing mandatory testosterone deficiency screenings for ...

Testosterone rose after men drove the sports car and dipped after the sedan, but the location truly shaped how strong the effect was. Behind the wheel of the same sports car on empty roads, hormone ...

The Pentagon's new mandatory testosterone deficiency screening for troops ages 30 and up includes mandatory blood tests and ...

A top official said a "draft" document was "inadvertently" posted.

Experts say there is not enough evidence to support broadly screening men for testosterone without any symptoms ...

The Pentagon temporarily rescinded new guidance on testosterone screening for service members 30 and older less than 24 hours ...