He suggested the gender differences may have evolved as part of a more general difference in stress responses between men and women.

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That worked fine for our ancestors, Peeke said, but the brain can't tell the difference between survival stress and chronic, daily stress.

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So what is the difference between pressure and stress?

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Doing a few minutes of meditation and stress management every day can make a difference.

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For new parents in particular, this flexibility can make all the difference in the world for a positive and stress free adjustment to family life.

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The BBC's Jonah Fisher in South Africa says the announcement is a sign of deal under intense stress - but in itself it may not make much difference to the operation of Zimbabwe's government.

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The difference here is that we just don't stress the journey.

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In periods of stress, knowing that others understand and support you makes all the difference.

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