No wonder they say, what is boring to have balls , to take risks. It turns out that there is " guilt " testosterone.
Research shows that traders who are in daily possession of more testosterone attack the day with vim, vigor and risk on their minds while traders who have higher levels of Cortisol, a hormone most associated with stress, are more cautious and less likely to make aggressive trades, and often become less successful.
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Below is a link to interesting facts about testosterone.