Sitting up straight is not the best position for office workers, a study has suggested.
Scottish and Canadian researchers used a new form of magnetic resonance imaging (MRI) to show it places an unnecessary strain on your back.
They told the Radiological Society of North America that the best position in which to sit at your desk is leaning slightly back, at about 135 degrees.
In fact, women talk almost three times as much as men, with the average woman chalking up 20,000 words in a day - 13,000 more than the average man.
Women also speak more quickly, devote more brainpower to chit-chat - and actually get a buzz out of hearing their own voices, a new book suggests.
The simple act of talking triggers a flood of brain chemicals which give women a rush similar to that felt by heroin addicts when they get a high.
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