Health and Human Services Secretary Robert F. Kennedy Jr. has baselessly tied alleged declines in sperm counts among ...

This finding, from a new study by researchers at the University of California at San Francisco, adds to growing research ...

Testosterone is one of the body's most powerful hormones. In the womb, it helps direct male sexual development. When boys hit ...

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

Defense Secretary Pete Hegseth says he's rolling out a new screening program for “testosterone deficiency” among troops.

The hospital reported in June that it had complied, but that its providers had independently decided not to offer that type ...

Most children with growth-plate pain (apophysitis) get better over time. Whether treatment for apophysitis affects short-term pain, physical function, and participation in sport is uncertain. It is ...

Paramount Primal is getting in business with Tyler Falbo for the R-rated comedy Boys for Life. The logline is being kept ...

Zohran Mamdani says Morris Katz remains a top advisor despite Democratic Socialists of America urging allies to blacklist the ...

They discovered that testosterone, a hormone traditionally associated primarily with male development, plays a dominant, ...

Testosterone may play a bigger role in the emotional development of girls entering puberty than previously thought, according ...

UC Davis researchers have found how an adolescent's brain responds to a face might predict how well they socialize in the ...