The Swedish study builds off the established idea in the field that stress actually harms the brain.

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In an effort to stress the importance of having realistic expectations, Field drew comparisons to entrepreneurs in the first world, where as many as one in three startups fail.

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But Australia's hopes of wrapping up the tail were hindered when Harris was forced off the field when he broke down in his 28th over, later confirmed as a stress fracture which will require surgery.

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"People do have their own stress reactions, especially people who maybe shouldn't be in the field, " Rothbaum said.

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