People who have one of several well-documented medical conditions do not have only XX or XY chromosomes, which typically correspond with female and male sexes, respectively. Those conditions include ...

A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

A systematic review and meta-analysis explored the relationship between androgen deprivation therapy and risk for heart failure in men with prostate cancer who were treated with ADT. A meta-analysis ...