Defense Secretary Pete Hegseth said he plans to test U.S. service members’ testosterone levels each year. But when it comes ...

Testosterone is tied to muscle mass, but in healthy men, it doesn’t track with actual strength — training, sleep and ...

Defense Secretary Pete Hegseth announced that the U.S. military will begin annual screening for testosterone deficiency among ...

Defense Secretary Pete Hegseth's new initiative to test and treat troops for low testosterone has prompted a federal judge to ...

Pete Hegseth's Pentagon testosterone screening mandate has men asking whether their levels are normal. Here's what doctors ...

PMOS (formerly PCOS) is the most common cause of high testosterone in women, affecting about 10% worldwide. Some medications and supplements, like anabolic steroids and DHEA, can increase testosterone ...

The poet didn’t say “sing to me, Muse, of a man with optimized endocrine panels," writes urologist Elizabeth Dray.

Testosterone is getting a lot of attention lately. The military just announced it will screen service members for low testosterone. Meanwhile, the Trump administration wants to expand access.

According to Hims, “There’s a commonly held stereotype that men with high testosterone levels are aggressive beefcakes who ...

WASHINGTON — Too much testosterone can kill brain cells, researchers said Tuesday in a finding that may help explain why steroid abuse can cause behavior changes like aggressiveness and suicidal ...

Ventricular fibrillation (VFib or VF) and ventricular tachycardia (v-tach or VT) are two types of heart arrhythmia that occur in the heart’s lower chambers, called the ventricles. The ventricles ...