Might be of interest.Anna Salleh - ABCHigh levels of the stress...

Might be of interest.

Anna Salleh - ABC

High levels of the stress hormone cortisol can make stock market traders more risk averse, according to new research.

The findings suggest that physiology could explain the so-called "irrational pessimism" seen in a market crash when the economy most needs risk takers, says Professor Lionel Page, an economist at the Queensland University of Technology.

But only among men!?

http://www.abc.net.au/science/articles/2014/02/18/3946565.htm