Here's some bad news for testosterone already somewhat damaged
reputation: the hormone apparently makes people less cooperative
in groups. But there's a catch — the effect has only been
observed in women. According to ScienceDaily, researchers gave
17 pairs of women either testosterone or a placebo. Then they
had them work together on a simple visual recognition task. When
the pairs got the placebo, they worked a lot better together
than they would have alone. But when they got the hormone, each
lady was more likely to think her answers were best and to
ignore her partner's answers, meaning the team did worse. Says
study author Nick Wright, Our behaviour seems to be moderated by
our hormones — we already know that oxytocin can make us more
cooperative, but if this were the only hormone acting on our
decision-making in groups, this would make our decisions very
skewed. We have shown that, in fact, testosterone also affects
our decisions, by making us more egotistical. Most of the time,
this allows us to seek t