This child has inherited normal XY chromosomes and the SRY region of the Y chromosome has triggered the gonadal tissue to develop into testes, as is normal.      Male hormones are called androgens, ...

The US Defence Secretary is championing testosterone for troops. Read more at straitstimes.com. Read more at straitstimes.com ...

X-Men star Tyler Mane's health battle shines a light on male breast cancer. Leading oncologists explain the silent symptoms, ...

On the surface, the Supreme Court's June 30 opinion upholding state laws barring transgender girls from women's and girl's sports teams looks like a victory for women's rights.

Scientists used rigorous methods to track 24 young women’s cycle phases and hormones while they trained for several months.

Hormone levels naturally fluctuate throughout the day based on stress, sleep and physical exertion, experts say, and ...

Hormone levels naturally fluctuate throughout the day based on stress, sleep and physical exertion, experts say, and ...

It remains unclear, however, whether hormone screening will be restricted to male service members or apply to female ...

Defense Secretary Pete Hegseth announced Wednesday that he is rolling out a new screening program for “testosterone deficiency” among troops, calling it necessary to allow them ...

War Secretary Pete Hegseth's plan to give military servicemembers testosterone replacement therapy is backed by research.

Defense Secretary Pete Hegseth announced on Wednesday a new mandatory screening program to test all service members age 30 ...

DoD will begin screening and offering TRT for troops with testosterone deficiency to ensure they maintain a “biological foundation" to fight, Hegseth said.