A study found that female orgasms significantly boost perceptions of male masculinity, especially in men with low testosterone, while using Viagra without erectile dysfunction can reduce these perceptions.

A new study suggests testosterone may heighten men’s sensitivity to friendly cues from women, but only among men with high self-perceived attractiveness.

Adaptive Human Behavior and Physiology - Intrauterine exposure to testosterone (Tintrauterine) can permanently organize the brain. A putative marker of this endocrine exposure is the 2D:4D...

There is conflicting evidence on whether testosterone affects economic preferences such as risk taking, fairness, and altruism, with most evidence ...