Two-time Olympic swimming champion Conor Dwyer has announced his retirement, after receiving a 20-month ban for having testosterone pellets surgically inserted into his body. Dwyer had failed three ...

A growing number of women are taking testosterone. Mom of four Alixa Winn started injecting testosterone when she was 35. She tells Inside Edition that she got a boost in energy within months of ...

Although popular discussion of testosterone’s influence on males often centers on aggression and antisocial behavior, contemporary theorists have proposed that it instead enhances behaviors involved ...