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In popular discussions, it is often assumed that testosterone relates to higher aggression. This notion is based on the observation that men have higher testosterone levels and are on average more ...

In the largest trial of its kind, scientists discovered that boosting testosterone did not affect men’s choices in trust, risk, or fairness games, undermining years of smaller, attention-grabbing ...

LONDON (Reuters Life!) - Testosterone makes people behave badly, but only because of our own prejudices about its effect, not its true biological action, scientists said on Tuesday. A Swiss and ...

For decades, testosterone has been recognized as the primary driver of male reproductive development and secondary sex characteristics. Yet its influence extends beyond fertility and sexual function, ...

A new study on the effects of testosterone therapy on transmasc youth found that those who initiated the hormone treatment do not, on average, experience increased anger or irritability a year later.

Testosterone (T) increases response to sexual and aggressive stimuli. Although human studies show that T can promote positive social responses in some contexts —such as promoting social status—its ...

The common assumption about testosterone is that it makes us more aggressive and competitive. But is this the entire story? Perhaps the effect of testosterone on behavior depends on our social rank.

This last week was my first week of teaching a new course at the University of Illinois. The course is called "Power, Status, and Influence" and so far I've finished preparing about 80% of the lecture ...